BRAA
From SoSH
An average hitter has an EqA of .260. BRAA is how much better or worse a hitter is then .260 EqA in the same number of outs. EQR - 5 * OUT * .260^2.5.
An average hitter has an EqA of .260. BRAA is how much better or worse a hitter is then .260 EqA in the same number of outs. EQR - 5 * OUT * .260^2.5.