Baseball GPA

<p> Gross Productivity Average or GPA is a new baseball statistic that measures performance. Accounting for the effect that each plate appearance or baserunning play has on scoring opportunities it is reported on a scale similar to that for batting average making it easy for the average fan to understand.</p><p> Beginning with a detailed explanation of the statistic and its derivation the book identifies in Part II historical patterns in league-average GPA (even the steroids effect is quantified). Practical applications are then explored as GPA is used in Part III to settle long-running arguments about strategy and in Part IV to reassess players and awards voting from 1952 to 2012.</p>