+ - Indicates Hall of Famer. Bold indicates active player.
Statistic Description: Power/Speed Number 2 x (Home Runs x Stolen Bases)/(Stolen Bases + Home Runs) The harmonic mean of HR and SB. To do well you need a lot of both. Developed by Bill James.
This table lists the career, single-season, active, yearly (meaning perfomances solely from that year) leaders following each season of Major League Baseball. Note that a player is considered active between the first and last season of their career. Entries under Single-Season from 1871-1875 are not carried forward past 1875. Entries under Career and Active do include totals from the 1871-1875 seasons.