abbreviation alan schwarz anabolic steroid at bat at bats per home run balk base runs base on balls baseball baseball park baseball positioning batting average batting average on balls in play caught stealing complete game component era computer cricket cy young award defense-independent component era defense independent pitching statistics defensive indifference double play earned run earned run average evolution of baseball player evaluation extra base hit extrapolated runs fielding percentage games behind games pitched games played games started gross production average ground ball fly ball ratio henry chadwick hit by pitch hits per nine innings home run home runs allowed hy turkin inherited runners inherited runs allowed innings innings pitched left on base lou proctor national association of professional base ball players on-base plus slugging passed ball pete palmer pitch count plate appearance professional baseball putout pythagorean expectation quality start range factor relief pitcher retrosheet run average run batted in runs created runs produced sabermetrics sacrifice fly scoring position shutout slugging percentage softball sport statistics stolen base strike zone strikeout strikeout-to-walk ratio the wall street journal times on base tom tango total average total bases total chances walk-to-strikeout ratio walks walks plus hits per inning pitched wild pitch winning percentage