Two weeks ago, Baseball Prospectus released four new metrics that comprehensively measure a catcher’s positional contribution to the game. Whereas my colleague, Michael Bradburn, examined Jonathan Lucroy’s Called Strikes Above Average (CSAA) and Errant Pitches Above Average (EPAA), I will look at Lucroy’s Takeoff Rate Above Average (TRAA) and Swipe Rate Above Average (SRAA). If […]