All major league baseball data including pitch type, velocity, batted ball location,
and play-by-play data provided by Baseball Info Solutions.
All minor league baseball data provided by Major League Baseball Advanced Media
as distributed by STATS.
All UZR (ultimate zone rating) calculations are provided courtesy of Mitchel Lichtman.
All Win Expectancy, Leverage Index, Run Expectancy, and Fans Scouting Report data licenced from TangoTiger.com
Play-by-play data prior to 2002 was obtained free of charge from and is copyrighted