MLB First Look Legend

First Look Legend

Term Description
Opp. K% Strikeout rate of the opposing offense against the handedness of the pitcher
SIERA Skill-Interactive Earned Run Average – A good predictor of future ERA
ERA Earned Run Average
K% Percentage of batters a pitcher strikes out
BB% Percentage of batters that a pitcher walks
SS% Swinging Strike Percentage
GB% Ground Ball Percentage
HC% Hard Contact Percentage
FBv Average Fastball Velocity
Run Total Implied run total based on the Vegas line and over/under
RPG Average runs scored per game this season
+/- The difference between a team’s implied run total and their average runs scored per game
P vs. LHB The xwOBA a pitcher allows to left-handed hitters
P vs. RHB The xwOBA a pitcher allows to right-handed hitters
Team wOBA The team’s average wOBA against the handedness of the pitcher they are facing
Team ISO The team’s average ISO against the handedness of the pitcher they are facing

About the Author

  • Derek Farnsworth (Notorious)

  • Derek Farnsworth, aka Notorious, is one of the most recognizable names and faces in all of DFS, thanks in large part to the great advice he gives on a daily basis in’s Grind Down for NBA and MLB as well as the First Look column that gives a preview of the day’s games from a DFS perspective. Before joining the RotoGrinders team, Derek received a Masters Degree from the University of Utah. When he’s not busy providing content, he’s dominating the industry as evidenced by his consistent top rankings in multiple sports. Farnsworth provides expert analysis for RotoGrinders Premium members on a daily basis during the NBA season and has also been nominated for five different Fantasy Sports Writer’s Association (FSWA) awards.

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