This is also the case with a BB and an IBB. If the bases happen to be loaded at the time, the batter is also credited with a run batted in. HBP = Hit by pitch – If a batter is hit by a pitch, they are automatically awarded first base. Hard% = Hard Contact Percentage) – Percentage of hard-hit batted balls. GSH = Grand Slam – A home run with men on first base, second base and third base. GO/AO = Groundout-to-Airout Ratio – Groundout-to-airout ratio is obtained by dividing the total number of ground balls converted into outs (not including bunts) by the total number of balls in the air (fly balls and line drives) converted into outs. GIDP = Ground Into Double Play – When a player hits a ground ball that results in multiple outs on the bases. GB/FB = Ground Ball to Fly Ball Ratio – The ratio of ground balls a pitcher allows to fly balls, calculated as GB/FB. GB% = Ground ball percentage – The percentage of a pitcher’s balls in play that are ground balls, calculated as GB/BIP. This is tracked for all Batted Ball Events - outs, hits and errors.įLB% = Fly ball percentage – The percentage of a pitcher’s balls in play that are fly balls, calculated as FB/BIP. A walk will be considered an “unofficial at bat”.Ĭent% = Center Percentage – Percentage of batted balls hit to the middle of the field.ĮV = Exit Velocity – Measures the speed of the baseball as it comes off the bat, immediately after a batter makes contact. 500 and Expected Slugging Percentage of 1.500.)īB = Base on balls – More commonly known as a “walk”, a base on balls is achieved by a batter who receives 4 pitches out of the strike zone during an at bat. (A barrel has a minimum Expected Batting Average of. Fair-hit balls that aren’t home runs.īarrel – A batted ball with the perfect combination of exit velocity and launch angle, or the most high-value batted balls. 1B = Single – A single is scored when a batter hits the ball and successfully reaches first base without a defensive error.ĢB = Double – A double is scored when a batter hits the ball and successfully reaches second base without a defensive error.ģB = Triple – A triple is scored when a batter hits the ball and successfully reaches third base without a defensive error.ĢS+3% = % of PA in which batter sees 3+ pitches after 2 strikesĪB = At Bat – An at bat is an official plate appearance that does not include a walk, being hit by a pitch, obstruction, sacrifice, or an interference call.ĪLA = Average Launch Angle – Calculated by dividing the sum of all Launch Angles by all Batted Ball Events.īA = Batting average – A hitter’s batting average is calculated by taking the number of hits divided by the number of “official” at bats.īA/RSP = Batting average with runners in scoring positionīABIP = Batting average on balls in play – The batting average solely on balls that are in play and able to be fielded.

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