Estimating fielding-independent contribution to opponent BABIP
Okay, I promised to say something about Balls-in-Play Runs Below Average (BIP_RBA) and opponant Batting Average for Balls in Play (oBABIP). But I don’t plan to say a lot. First, BABIP is an annoyingly uninformative measure. Like ERA, oBABIP merges the combined efforts of a pitcher and his fielders. Voros McKraken famously posited that the […]