Underdog Promo Code GRINDERS: Play $5 Get $50 in Bonus Entries

Updated on 5/22/26

Underdog
Play $5, Get $50 in Bonus Entries!
Must be 18+ (19+ in AL, NE; 19+ in CO for some games; 21+ in AZ, MA, and VA) and present in a state where Underdog Fantasy operates. Terms apply. Offer not valid in MD, MI, NJ, NY, OH, and PA. Concerned with your play? Call 1-800-MY-RESET or 1-800-GAMBLER or visit www.ncpgambling.org; AZ: 1-800-NEXT-STEP (1-800-639-8783) or text NEXT-STEP to 53342; NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369).

Punching in the Underdog promo code GRINDERS is the absolute easiest way for new players to trigger a guaranteed welcome offer: Play $5, Get $50 in Bonus Entries!

Snagging those bonus funds is the perfect starting point, but executing a sharp game plan is how you actually grow your bankroll. As we navigate this massive Memorial Day weekend stretch, the daily fantasy lobby is absolutely loaded with high-leverage opportunities.

We are officially deep into the NBA and NHL Conference Finals. As these series shift venues for crucial Game 2, 3, 4 and 5 showdowns, rotation minutes are getting locked in, creating incredibly predictable usage rates for star players. On top of the intense playoff basketball and hockey action, we have a fantastic daily MLB schedule and the iconic Indy 500 hitting the track.

I am going to walk you through exactly how to claim your bonus, navigate state-specific rules, and start attacking the most profitable projections on the board right now.

🚨Depending on your state, you might see different contest formats, and minor details like a strict location check or a mismatched ID can delay your deposit right when a valuable multiplier drops.


Underdog Promo Code GRINDERS for May 2026

The best Underdog promo code is GRINDERS. When new users enter this code at signup, they score the welcome offer of Play $5, Get $50 in Bonus Entries!

💰 Underdog Promo Code GRINDERS
🎁 Underdog Welcome Offer Play $5, Get $50 in Bonus Entries!
🎯 Eligible States for Promo AL, AK, AR, CA, DC, FL, GA, IL, IN, KS, ME, MS, MN, NE, NM, NC, ND, OK, OR, RI, SC, SD, TX, VT, VA, UT, WI, WY
🗓️ Minimum Age 18+ in most states, 19+ in Alabama and Nebraska (and for some Colorado games), 21+ in Arizona, Massachusetts, and Virginia
🏦 Deposit Methods Credit/debit cards, Online banking, Apple Pay, PayPal
📝 Terms & Conditions Must be 18+ (19+ in AL, NE; 19+ in CO for some games; 21+ in AZ, MA, and VA) and present in a state where Underdog Fantasy operates. Terms apply. Offer not valid in MD, MI, NJ, NY, OH, and PA. Concerned with your play? Call 1-800-MY-RESET or 1-800-GAMBLER or visit www.ncpgambling.org; AZ: 1-800-NEXT-STEP (1-800-639-8783) or text NEXT-STEP to 53342; NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369).
✅​ Offer Verified by RotoGrinders On May 22, 2026

Underdog signup code GRINDERS is exclusive to new customers at this top DFS app. Even though the bonus hits your account after you make a $5 entry, you must meet the $10 minimum deposit requirement.

How Does the Underdog Welcome Bonus Work?

Underdog Fantasy logo on a yellow background with “Promo Code: GRINDERS” displayed below the brand name

Underdog keeps things pretty simple with its welcome bonus. When you sign up using the Underdog promo code GRINDERS, you’ll get the best value offer for new players: Play $5, Get $50 in Bonus Entries!

It’s a “Play-and-Get” setup. Once you deposit at least $10 and enter a contest for $5, Underdog will credit your account with $50 in bonus entries—no matter if that first entry wins or loses.

That’s a big difference from some other DFS apps, where you only get a bonus if your first play loses. Here, you get the bonus either way, so you can jump right into more contests without having to chase anything.

💰 Minimum Deposit $10+
🎁 Qualifying play $5 entry
🎁 Bonus Reward $50 in bonus entries
⏱️ Bonus Expiration Bonus expires after 14 days
👑​Bonus Type Play & Get (Win or Lose)
📝 Wagering requirement 1x playthrough on bonus entries.

Where to Deploy Your Underdog Bonus Entries

Once your bonus entries hit your Underdog account, the real fun begins. 

League Date Matchups
MLB (Apple TV) Fri, May 22 Tigers vs. Orioles (7:05 p.m. ET)
🏒 NHL Playoffs (ESPN) Fri, May 22 Golden Knights vs. Avalanche (8 p.m. ET)
🏀 NBA Playoffs (NBC) Fri, May 22 Thunder vs. Spurs (8:30 p.m. ET)
🏒 NHL Playoffs (TNT) Sat, May 23 Canadiens vs. Hurricanes (7 p.m. ET)
🏀 NBA Playoffs (ABC) Sat, May 23 Knicks vs. Cavs (8 p.m. ET)
🏎️ IndyCar (FOX) Sun, May 24 Indy 500 (12:30 p.m. ET)
🏀 NBA Playoffs (NBC) Sun, May 24 Thunder vs. Spurs (8 p.m. ET)
🏒 NHL Playoffs (ESPN) Sun, May 24 Avalanche vs. Golden Knights (8 p.m. ET)
🏀 NBA Playoffs (ESPN) Mon, May 25 Knicks vs. Cavs (8 p.m. ET)
🏒 NHL Playoffs (TNT) Mon, May 25 Hurricanes vs. Canadiens (8 p.m. ET)
MLB (TBS) Tue, May 26 Braves vs. Red Sox (6:45 p.m. ET)
🏀 NBA Playoffs (NBC / Peacock) Tue, May 26 Spurs vs. Thunder (8:30 p.m. ET)
🏒 NHL Playoffs (ESPN) Tue, May 26 Avalanche vs. Golden Knights (9 p.m. ET)

Browsing the current Pick’em board reveals an awesome variety of contests to explore right now.

Deep playoff basketball offers fantastic predictability, as head coaches completely lean on their core starters and push their court time to the absolute max. Over on the ice, the intense postseason action means guys who constantly funnel pucks to the net become incredibly valuable assets. Plus, baseball grinders have endless daily opportunities to hunt for edges against vulnerable bullpens or strikeout-prone lineups.

The biggest secret to crafting a winning ticket is logical pairing. For example, if you expect a slow, defensive-minded hoops matchup, it makes perfect sense to combine a ‘Lower’ on the main playmaker’s passing totals with a ‘Lower’ on his big man’s scoring output. Connecting these related outcomes directly boosts your win probability and squeezes every ounce of value out of those extra promotional funds.

Skip the random guessing and start building slips that actually tell a cohesive story!

How to Use the Underdog Promo Code

Not only will promo code GRINDERS get you the best fantasy offer at Underdog—it’s super easy to claim.

  1. Use the links on this page to go to the Underdog site or app.
  2. Enter the Underdog promo code GRINDERS, if it didn’t auto-fill.
  3. Complete your registration and verify your account.
  4. Deposit at least $10.
  5. Enter a contest with $5 to trigger the bonus.

Once your first entry settles, you’ll receive $50 in bonus entries.

From there, you can start building Pick’em entries, joining drafts, or testing different contest types depending on what’s available in your state.

Why Your Underdog Promo Code Might Not Work

If your Underdog promo code isn’t working, the code itself isn’t usually the problem. More often than not, it comes down to location, account details, or payment info during signup.

First, check state availability. Underdog does not offer the same contests in every state, so if you don’t see the format you expected, it may be a state issue rather than a promo issue.

Next, look at location settings. Underdog verifies where you are physically located. So if you have a VPN, Private Relay, or anything else masking your location, signup or deposits can fail even if you’re in an eligible state.

It’s also worth checking your account details. Your name, address, and date of birth should match your ID exactly. Small mismatches can trigger verification problems and slow down the process.

Then review your payment method. A failed deposit can make it seem like the promo didn’t apply, when really the billing details didn’t match or the payment source was flagged. If one method keeps failing, try a different one.

One last thing: bonus funds are not the same as cash you can withdraw. You may need to meet the promo terms before those funds become withdrawable. So before assuming the code failed, check your location, state eligibility, account info, and deposit method first. In most cases, that’s where the issue is.

Underdog Promo vs Other DFS Promos

Underdog isn’t the only DFS app offering a welcome bonus, but its Play $5, Get $50 structure stands out for how easy it is to use.

Here’s how it compares to other popular DFS promos:

📱 DFS App💰 Bonus OfferPromo Code
UnderdogPlay $5, Get $50 in Bonus Entries!GRINDERS
DraftKings Pick6 Play $5, Get $50 Instantly in Bonus Picks! No Code Needed
SleeperGet Free $20+100% Deposit Match up to $100!RGBONUS
Dabble Get $10 When You Sign-Up to Dabble! GRINDERS
Bleacher Nation Fantasy Get a 50% Deposit Match up to $100! GRINDERS
Betr PicksGet Up to $210 Back in Bonus + a Free Pick!GRINDERS
Boom SportsPlay $5, Get $55 in Free Lineups!GRINDERS
ChalkboardGet a 100% Deposit Match up to $100 + Free Pick!GRINDERS
PrizePicksPlay $5, Get $50 in Lineups - Instantly!GRINDERS

The biggest difference is how quickly you can use your bonus. With Underdog, you get guaranteed entries after your first play, instead of having to unlock a deposit match over time.

If you’re planning to deposit a larger amount upfront, a deposit match might offer more total value. But if you want something simple and immediate, Underdog’s play-and-get format is one of the easiest ways to get started.

Why Use Underdog Promo Code GRINDERS?

While a lot of DFS apps lean on deposit matches with playthrough requirements, the GRINDERS code grants you Underdog bonus entries that you can actually use right away.

Here is why we think this play-and-get structure is the best route for new players:

It’s that easy to claim the code and start exploring Underdog’s massive lobby of pick’em options and daily fantasy drafts.

How Much Is the Underdog Promo Code Worth?

Before you jump into your first entry, it’s worth understanding what this offer actually gives you in DFS terms—not just the headline number.

  • You deposit $10
  • You play $5
  • You receive $50 in bonus entries

That gives you $55 total in playable entries right away.

In other words, you’re turning a small entry into multiple chances to build lineups and test different strategies without committing a big bankroll. What matters here is how you use those bonus entries.

Because Underdog instantly credits your bonus entries, you gain the immediate freedom to experiment with different pick’em strategies. You do not have to burn through your actual cash bankroll. With the Conference Finals in full swing, here is a sharp approach for deploying your funds right now:

  • Target Stale Projections: Late-May playoff lines shift incredibly fast. One beat reporter tweeting about a player’s nagging injury can alter the entire board. Monitor the news closely. Lock in your ‘Higher/Lower’ picks before the algorithm adjusts.
  • Master Correlation: Always consider how game scripts intertwine. Expecting an NBA shootout? Pair a ‘Higher’ points projection for the primary scorer with a ‘Higher’ assists prop for the team’s point guard.
  • Use the Flex: Playoff basketball is volatile. A sudden blowout means starters sit the entire fourth quarter. Do not force a flawless standard entry. Use the Flex feature as crucial insurance. It protects you from bad beats and unpredictable game scripts.

Most competitors lean on higher headline bonuses ($75 instead of $50), but the real edge here is usability. You’re getting guaranteed entries you can use right away.

What Can You Win?

From there, your potential returns depend on how you build your entries. Here are the maximum multipliers for standard Pick’em contests (all picks must hit):

  • 2-pick entry: 3x
  • 3-pick entry: 6x
  • 4-pick entry: 10x
  • 5-pick entry: 20x
  • 6-pick entry: 35x
  • 7-pick entry: 65x
  • 8-pick entry: 120x

Underdog also offers Flex entries, which act as built-in insurance. If you miss one pick, you can still win—though for a lower payout. For example, a 5-pick Standard entry pays 20x, while a 5-pick Flex pays 10x if all five hit, or 2.5x if you go 4-for-5.

Bonus entries come with a simple 1x playthrough requirement, meaning you only need to play them once before withdrawing any winnings generated from them.

Withdrawals are free and start at a $10 minimum. You can cash out using PayPal, Trustly, or Paysafe, and most withdrawals are processed within 48 to 72 hours.

Underdog Promos for Existing Users

Once you’ve used the Underdog promo code GRINDERS and claimed the welcome offer, there are still plenty of ways to get extra value on the platform.

Underdog regularly runs promotions for existing users, including profit boosts, insurance-style tokens, and referral bonuses.

EXISTING USER PROMOSWHAT YOU GET
🦅 Vulture ProtectionEntry refunded if a backup steals a rushing touchdown from your running back pick.
Multiplier Boosts Supercharge your entry payout on featured higher/lower player projections.
🤝 Refer-a-Friend BonusGet $10 for each friend who signs up with your unique link
💸 More Money MondaysGet perks like profit boost tokens on Mondays
💰 30% ThursdaysApply your token to boost profit by 30% on Thursdays
😅 No Sweat TokensGet your money back if you don’t hit
Fill It Up FridaysGet a 10% deposit bonus on Fridays
⛑️ RescuesGet your entry refunded plus a promo if an early injury causes your entry to lose
40% Profit BoostGet a 30% profit boost on your mixed sports entry
⚾️ 40% MLB Profit BoostGet a 40% MLB profit boost on your entry
🥊 40% UFC BoostGet a 40% UFC profit boost on your entry

Is Underdog Legit and Safe?

Yes. Underdog is a highly secure, legitimate DFS platform backed by major investors. The platform uses industry-standard security to protect your data and processes transactions reliably.

Because daily fantasy sports (DFS) is classified as a game of skill rather than traditional mobile sportsbooks, Underdog is legally available in most U.S. states—including California and Texas.

Where Is Underdog Available?

shaded map of states where underdog fantasy and its promo code are legal

The Underdog promo code and app are available in 41 states (including DC), though the types of contests you can participate in will vary. Check out our table for a full breakdown of Underdog available states and their corresponding contests:

Underdog Available StatesPick ‘EmChampionsDrafts
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Delaware
DC
Florida
Georgia
Illinois
Indiana
Kansas
Kentucky
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Nebraska
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
West Virginia
Wisconsin
Wyoming

If you’re signing up for the promo, check state eligibility before you deposit and make sure the contest format you want is live where you are. That saves you from going to the app, seeing a different lobby than expected, and assuming the offer didn’t work. It also gives you a better reason to use the bonus right away instead of figuring things out after the fact.

While Underdog is available in the majority of states, so is the Kalshi bonus.

Our Favorite Underdog Picks Today, May 22, 2026

Here are a few of our favorite Underdog Pick’em plays for today’s slate:

LeaguePlayerHigher/Lower Projection
NBAShai Gilgeous-AlexanderLower than 11.5 Rebounds & Assists
NBAJared McCainLower than 5.5 Points
NBAAjay MitchellHigher than 10.5 Points

Updated 05/22/2026 8:15 AM ET – Fantasy Pick’em – Subject to Change. These fantasy picks are eligible to be used with the Underdog promo code.

Putting together a winning ticket from the ground up? I always suggest locking in your foundation with guaranteed volume. Now that we’ve reached the NBA and NHL Conference Finals, you have to anticipate massive game-to-game tactical shifts. If a primary scorer had a surprisingly quiet opening game, expect their usage rate to absolutely spike in Game 2 as the coaching staff makes aggressive adjustments to get them the ball.

A fantastic strategy right now is to build a cross-sport slip by pairing one of those bounce-back basketball projections with a high-floor MLB strikeout prop. Just make sure you are checking in with team beat writers on Twitter about an hour before lock. A sudden starting lineup tweak or a sneaky injury report can completely flip the expected value on your entry!

If you want to go deeper, you can access all of our best Underdog picks today, with premium predictions from our expert projections team.

Mastering the Conference Finals Slate on Underdog Pick’em

Now that we are deep into the third round of the postseason, the projection lines are incredibly sharp. Just tapping the “Higher” button next to your favorite athletes won’t cut it anymore. If you want to maintain a profitable edge during this high-stakes stretch, you need to evolve your approach. Here are the specific tactics I am using to beat the board this weekend:

  • Capitalizing on Venue Shifts: When a basketball series changes cities for Games 3 and 4, the supporting cast usually gets a massive surge of confidence. While top-tier superstars carry the offense on the road, role players historically shoot much better in front of their home crowd. Grabbing the ‘Higher’ on a secondary shooter’s three-point props as they return to their own arena is a fantastic, data-backed angle.
  • Exploiting Deep-Series Hockey Fatigue: As these grueling hockey series progress, the physical toll adds up fast. Legs get heavy, odd-man rushes disappear, and blocking shots becomes the primary focus. This creates the perfect recipe to fade total goals. Instead of chasing offensive stats, I love locking in the ‘Higher’ on goalie save counts or blocked shots for those gritty defensive defensemen.
  • Spotting Weekend Baseball Rest Days: Saturday and Sunday baseball schedules constantly feature day games right after night games. Managers routinely bench their starting catchers or sit a veteran bat to keep them fresh. Always check the official lineup cards before you lock in a ticket. If an offense is rolling out their backup squad, immediately target the ‘Higher’ on the opposing starting pitcher’s strikeout and outs-recorded props!

Late-May Pick’em Strategy: Surviving Postseason Variance

Late May delivers a highly concentrated NBA and NHL playoff schedule. The volume of games drops, pushing the betting public to hammer the exact same superstar projections. This herd mentality frequently warps the board.

You need discipline to survive this variance. Follow these guidelines heading into Memorial Day weekend:

Smarter Strategies for MLB Strikeout Props

Let’s talk baseball! While a lot of casual fans might be distracted by all the intense playoff hoops action right now, smart DFS players know that the daily baseball grind is an absolute goldmine—especially when it comes to pitcher strikeout props.

Sometimes, the projections for top-tier arms (like Shota Imanaga, Seth Lugo, or Bryan Woo) get set just a bit too high when they are facing disciplined lineups that rarely swing and miss. Strikeout props can definitely be a bit of a rollercoaster, but they are highly profitable if you follow a few key guidelines when building your slips:

Grinding these specific baseball edges is the perfect way to steadily build up your bankroll for those massive weekend contests!

Navigating High-Stakes NBA Games on Underdog

There is nothing quite like the tension of an NBA Conference Finals, but that emotion can be a massive trap for daily fantasy players. Because casual fans flock to these primetime matchups, the ‘Higher’ projections on superstar point totals often become artificially inflated by public bias. To find true value, you have to look past the scoring column. 

I constantly target the peripheral stats—like rebounds, assists, or combined defensive metrics. For instance, if an opposing defense is aggressively double-teaming a player like Donovan Mitchell, his raw point total might suffer, but his assist numbers could skyrocket as he kicks out to open shooters.

Always build your Underdog entries based on expected defensive schemes rather than blind hope that your favorite player drops forty points. Betting with logic over emotion is the fundamental rule of surviving the playoff grind.

My Experience With Underdog

I’ve used Underdog across multiple states and slates, and overall, it’s one of the more reliable DFS apps available right now.

The app is fast and easy to navigate, especially when building Pick’em entries or joining drafts. Deposits and withdrawals are straightforward, and I haven’t run into major issues with payments or contest grading.

Where Underdog really stands out is in its simplicity. Pick’em contests are easy to understand, and Underdog Best Ball drafts remove the need for constant lineup management, which makes it a good fit for both new and experienced players.

That said, there are a few areas where it could improve. There’s no formal rewards or loyalty program, which some competing DFS apps offer. Customer support is also limited to chat and email, so if you prefer phone support, that’s something to keep in mind.

Overall, Underdog is pretty straightforward and has a good mix of contests, especially for Pick’em and Best Ball players.

Pros & Cons

After playing on the app across multiple states and testing out the latest features for the spring sports calendar, here’s my honest take on where Underdog shines and where they still have some work to do.

✅​ ​Pros Cons
Easy-to-use app with a clean interfaceNo rewards or loyalty program
Bonus is simple and easy to unlockWithdrawals can take 48–72 hours
Pick’em format is quick and beginner-friendlyNo phone support (chat/email only)
High multipliers (up to 120x+ on Pick’em entries)Lower payouts when using Flex entries
Best Ball contests require no lineup managementSome formats vary by state
Strong variety of contests across major sportsLimited availability in certain states

Underdog Contests & Games

Underdog key offerings such as superstar swipe, streaks, and best ball

Underdog started with the major sports—NFL, NBA, MLB, and NHL—but has since expanded to include college sports and other offerings like soccer, tennis, PGA, and esports.

When it comes to NFL DFS, Underdog stands out with simple but competitive formats that work for both casual and experienced players.

You can jump into snake drafts for daily, weekly, or season-long contests, or go straight to Pick’em with Higher/Lower and Rivals, where payouts can reach up to 20x your entry.

SPORTS FANTASY PICK’EM DAILY SNAKE DRAFTS BEST BALL NOTABLE TOURNAMENTS PRIZE POOL TOP PRIZE
NFL ✔️ ✔️ ✔️ The Biggest Board $150,000 $20,000
NBA ✔️ ✔️ ✔️ The Dance $500,000 $50,000
MLB ✔️ ✔️ ✔️ The Pennant $100,000 $10,000
NHL ✔️ ✔️ ✔️ The Big Zamboni $100,000 $10,000
CBB ✔️ ✔️ N/A N/A N/A
CFB ✔️ ✔️ ✔️ Best Bowl Mania $100,000 $20,000
Soccer ✔️ N/A N/A N/A
MMA ✔️ N/A N/A N/A
PGA ✔️ ✔️ ✔️ The Albatross $500,000 $50,000
Esports ✔️ N/A N/A N/A
Boxing ✔️ N/A N/A N/A

Regular Daily Fantasy Drafts

Underdog has a typical fantasy draft option, with a scoring system that isn’t much different than what you see elsewhere. For their fantasy football leagues, Underdog has adopted 0.5 PPR (points per reception) scoring.

Users can select between two different draft speeds, Fast or Slow, depending on their needs and their desired draft experience. Each user is given 30 seconds per Pick in Fast Drafts, while Slow Drafts give users 8 hours per Pick.

If you want to try a unique draft game, check out Griddy’s fantasy football puzzle game.

Battle Royale Daily Fantasy Draft

Battle Royale is another popular feature that is unique to Underdog.

In Battle Royale, entrants select players through a Snake Draft, but with a twist. Not only are you competing against others in your group, but Battle Royale is also grouped in.

You will compete one week at a time against every snake draft the group entered in your respective contest; you may have the same players as other teams.

At the end of the week, the players with the highest scores are awarded prizes based on the respective pool they entered.

Tips for Drafting Your First Battle Royale Lineup

Battle Royale can be a little intimidating, so here are some tips for newbies:

Best Ball Tournament Contests

Of course, NFL Best Ball is Underdog main attraction. Check out Best Ball Mania VI’s payout structures below.

Underdog payout structure chart for best ball mania vi

Best Ball is a draft-only format where you pick your team at the start of the season, and Underdog automatically sets your highest-scoring lineup each week—no management required.

All contests use a snake draft, and once your roster is set, there are no waivers or lineup decisions. That makes it a great option if you want a more hands-off fantasy experience.

Best Ball contests vary by entry fee and prize pool, but they all follow the same core structure. It’s also where some of Underdog’s biggest tournaments and payouts are available.

If you want more insight so you can make smart picks, check out our NFL Best Ball Season Long Fantasy Rankings for Underdog.

Our DFS podcasts offer general insights for players interested in formats like best ball and daily drafts.

Playing College Football on Underdog

As a huge college football fan, I’m pumped to see that Underdog is expanding their Best Ball contests into the college football space.

I’m telling my friends and family who love college football to take advantage of the Underdog promo code GRINDERS and use it for entries into Best Bowl Mania. Especially for those in states that have yet to legalize online sports betting or college football player props, Underdog is the perfect alternative.

Some things to keep in mind:

Underdog Pick’em Contests

Like other DFS apps, Underdog has pick’em contests that mimic the traditional player prop bets of sports betting.

You can build entries with 2 to 8 picks, with payouts increasing as you add more selections—larger entries offer higher multipliers, while Flex options give you some room for error if not every pick hits.

Higher/Lower

The simplest Pick ’em game; all you have to do is pick whether players will achieve higher or lower on a given projection.

I’ve noticed that many users apply the Underdog promo code GRINDERS to this contest type since it’s one of the most straightforward ways to build a qualifying entry.

Rivals

Choose between two players with a spread applied. If your pick covers the spread, you win. Some matchups may be graded as a tie if no spread is included.

Some Rivals matchups won’t feature a spread, and in this case, the entry would be graded as a tie.

If you want to see how Underdog rivals competitors, check out our overview of the FanDuel Picks promo.

Champions

A peer-to-peer Pick’em format where you build a lineup of 2–8 players. Standard entries require all picks to hit, while Flex entries allow you to miss one and still cash for a reduced payout.

You can still secure a winning payout even if one of your player projections misses (Flex requires 3+ picks, whereas Standard requires 2+).

I highly recommend utilizing Flex entries during highly unpredictable daily slates, like the NBA playoffs.

When you get your picks right, you earn Champions Points. The user in the tournament with the most Champions Points takes the top prize. Standard Pick ’em rules apply, meaning at least two of your roster selections must be from different real-world teams.

Ladders

Underdog Ladders is a progressive format where payouts increase as each pick hits. The further you climb, the higher the multiplier.

For more details, check out our Underdog Ladders guide!

Flex Play

Mastering the Flex Play format is a mandatory skill for surviving the brutal variance of the late-May sports schedule. Underdog allows you to apply a Flex to any Pick’em entry featuring three or more selections. Instead of requiring a perfect sweep, this built-in insurance policy keeps your slip alive if one projection fails.

Let us examine how this functions during a chaotic Friday night slate. Imagine you build a four-pick ticket. You take an NHL center for higher shots on goal, an NBA forward for higher rebounds, and two MLB pitchers for higher strikeouts. A standard entry requires all four to hit for a massive 10x payout. If a pitcher gets pulled early due to a sudden rain delay, your entire standard ticket dies immediately.

A Flex Play changes the math entirely. That same four-pick slip pays 6x if you go a perfect four-for-four. However, if that weather delay ruins your baseball projection, you still walk away with a 1.5x payout for hitting the other three. You salvage a profit from a bad beat.

This strategy is highly effective during the NBA and NHL Conference Finals. Blowouts happen frequently. Starters end up sitting out the entire fourth quarter, destroying ‘Higher’ projections. Applying the Flex protects your bankroll from unpredictable coaching decisions and strange game scripts. Smart DFS players gladly sacrifice the absolute highest multiplier ceiling in exchange for long-term sustainability.

Does Underdog Have Early Cashouts?

Sort of. The “Win Now” feature originated on Underdog Champions contests, letting you lock in your Champions points and win a specified amount after the contest ends.

I appreciate that the “Win Now” feature was extended to Streaks, so if you want to take the money and run on your Streak, you can do so. If you hit your first few picks, you don’t necessarily have to wait to see if the rest of your picks are also winners to walk away on top.

Underdog Banking: Deposits & Withdrawals

Funding your account and withdrawing winnings on Underdog is simple. Most methods are quick, but one key thing to know: you’ll usually need to withdraw using the same method you used to deposit.

As of March 2026, Venmo, PayPal, and Trustly are the main payout options, with most withdrawals processed within 24–72 hours.

Method Deposit Withdrawal Speed Min. Key Notes
PayPal 24–72 hrs $10 Most common; email must match account
Venmo 24–72 hrs $10 Must deposit with Venmo to unlock withdrawals
Trustly 24–48 hrs $10 Often fastest option once processed
Apple Pay Instant (deposit) $10 No direct withdrawals
Credit/Debit Card Instant (deposit) $10 Use Trustly/PayPal/Venmo to withdraw

Key Things to Know

👉 Important: You must confirm withdrawals via email within 10 minutes, or the request will be canceled and funds returned to your account.

Underdog operates under standard DFS regulations and uses secure payment systems. Based on our experience, deposits and withdrawals are reliable and processed without major issues.

Check out our review of EDGE Boost for more info on compatible Underdog banking methods.

Does Underdog Have a Sportsbook?

No, Underdog does not currently offer a traditional sportsbook. Instead, the company operates entirely under daily fantasy sports (DFS) regulations. Because DFS is widely classified as a game of skill rather than sports betting under federal law, Underdog’s pick’em contests and drafts are legally available in many states where standard sportsbooks are strictly prohibited (like California and Texas).

Underdog Responsible Gaming Tools

Underdog’s focus is on making sure every player has a safe and enjoyable experience. Daily fantasy sports should be a fun way to follow your favorite sports, and it is important to play within your means.

Underdog provides several built-in resources to help you manage your time and budget effectively.

State-Specific Protections

Depending on your location, you may notice automatic protections. For example, players in Massachusetts have a standard monthly deposit limit of $1,000, while Maryland and Tennessee also have state-mandated caps to encourage healthy play.

Underdog Customer Service

If you end up needing help on Underdog, you’ll be glad to hear that the customer service team is pretty helpful.

Support is available 24/7, though response times can vary depending on volume. And from what we’ve seen, Underdog often hits users with the “volume is higher than usual” disclaimer.

Underdog Mobile App Review (May 2026)

Underdog Fantasy pick’em app interface with higher or lower picks, player stats, and multiplier entries for winning real money contests

Underdog currently boasts a 4.8/5.0 rating on the Apple App Store and a 4.6/5.0 on Google Play, making it one of the highest-rated DFS platforms on the market.

The interface is incredibly fast when you’re trying to lock in higher/lower picks before tip-off, but no app is perfect.

Here’s what real users have to say:

You may or may not have heard of Underdog, but seeing as you are reading this, you must know by now. Seriously, Underdog has become a major player in the DFS space, with strong brand awareness and a cool logo. (I like dogs.)

Getting to things that you actually care about, the Underdog app may not jump out immediately, but it functions very well. The home screen welcomes you with promotions, trending picks, popular picks, and the key matchup of the day. In other words, it’s what a home screen should be.

Of course, you can also search for particular players, teams, or stat types to make picks on. And if Pick ’em isn’t your thing, you can head over to Drafts and get in on some old-school DFS action.

Joe Beguiristain, novice DFS player

Making picks for NBA or NFL games on DFS apps has been something fun for me to research and do for years now. Sleeper and PrizePicks are the most popular ones for my friends and me, but we’d heard a lot about Underdog, too. Underdog’s reputation is pretty good, so I decided to add it to my DFS rotation this year.

I was really impressed with the Underdog app and DFS experience. Underdog has tons of great stats for all kinds of athletes to make picks on. I tend to focus on prominent NFL performers in important matchups, but Underdog also makes it easy to focus on those good performers in all kinds of sports each day.

Underdog also gave me an onslaught of options for daily drafts to enjoy as well. My friends and I will do daily drafts in basketball or football games, and we’ve added Underdog to our favorite apps because of how much fun we’ve been having. We can create our drafts with each other or join big pools, too. Underdog has been a great DFS option for all of us who play on these each day!

Stephen Pierce, experienced DFS player
New PickLabs Tool for Finding Best Underdog Picks

RotoGrinders (and FantasyLabs) have launched the innovative PickLabs tool. This tool is compatible with sportsbooks and DFS sites, such as Underdog, to provide users with picks boasting the highest expected value (+EV).

Additionally, PickLabs includes a slip builder that makes it easy to auto-generate slips. Try PickLabs for Underdog picks today.

RotoGrinders Underdog Browser Extension

In addition to our Underdog picks tool, you can use our exclusive RotoGrinders Underdog browser extension. The extension displays our projections alongside every player while you’re directly on the Underdog website.

Watch our quick video guide to see how it works!

Why We Love Underdog Here at RotoGrinders

It’s hard to be succinct when explaining why we love Underdog. But we’ll give it a try—it’s simple, hosts contests like Best Ball Mania III with massive prizes, has a user-friendly mobile app, and has various ongoing promos.

Perhaps one of Underdog’s biggest draws is its access to college football. This offering is vast for SEC football fans, considering that many southeastern states don’t have operators with legal online sports betting licenses. And even if they do, restrictions on college props can restrict your play.

But with Underdog’s various contests, you can get in on the college ball action despite many legal regulations that prohibit other types of real money play and the claiming of bonuses like the Underdog promo code GRINDERS.


Underdog Promo Code FAQs

Hopefully, we were able to answer any lingering questions about Underdog above. If not, check out our top Underdog FAQs below.

Does Underdog have a welcome bonus?

Yes. Using GRINDERS promo code you can Play $5, Get $50 in Bonus Entries!

What is the best Underdog promo code for new users?

If you’re a new user at Underdog, you’ll get the most out of promo code GRINDERS, which yields the welcome offer of Play $5, Get $50 in Bonus Entries!

Is Underdog legit?

Yes, the Underdog app is legit with a massive group of high-profile investors that includes Mark Cuban, Kevin Durant, Adam Schefter, The Chainsmokers, Nas, and Future. The platform operates within the legal framework of each state it operates in, ensuring that your deposits and winnings are protected.

What’s the minimum deposit at Underdog?

The minimum deposit at Underdog is $10, which you can make via online bank transfers, credit/debit cards, or PayPal. Though this amount is a little higher than the $5 minimum deposit requirement at other DFS apps, it’s still an affordable way to get in on the action.

How do Underdog bonus entries work?

When you claim the deposit offer, you’ll receive $50 in fantasy bonus entries that can be used to join Best Ball drafts, Snake Drafts, or Fantasy Pick’em contests.

What is Underdog?

Underdog is a daily fantasy sports site and app that offers various real money DFS contests. Underdog users can play pick’em, best ball, and snake drafts at this legal DFS platform that operates in the majority of states.

Does Underdog pay real money?

Yes, Underdog runs real money contests that allow you to cash out potentially.

How does Underdog pay out winnings?

Underdog pays out users quickly via PayPal and banking accounts. First, submit a withdrawal request, and then you can expect funds to reach your account within 2-3 business days following your initial request.

Which states have Underdog?

You can play Underdog in 41 states (including DC). With pending applications in other states, Underdog may enter your yard soon if it’s not already there!

About the Author

dwilkerson
Dylan Wilkerson (dwilkerson)

Dylan Wilkerson has over 5 years of experience reporting and analyzing the sports betting/DFS industry for various sites, including SportsHandle, VegasInsider, and Action Network. His favorite sports are the NFL, College Football, the PGA TOUR, the LIV Tour, and Cricket. Dylan’s approach to sports betting is heavily rooted in data analysis, and he strives to deliver the most accurate and relevant information to those looking for an in-depth and precise breakdown of any given event.