Texas Rangers
Kumar Rocker has thrown 1,480 pitches that have been tracked by the PITCHf/x system between 2024 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they have relied primarily on their Fourseam Fastball (96mph) and Sinker (96mph), also mixing in a Cutter (90mph), Curve (84mph), Slow Curve (78mph) and Change (90mph).
In 2025, compared to other RHP:
Their fourseam fastball has heavy sinking action, has well above average velo and has slight armside run. Their sinker is blazing fast, results in many more groundballs compared to other pitchers' sinkers, has slight armside run and has some natural sinking action. Their cutter has heavy sink, generates a high number of swings & misses compared to other pitchers' cutters, results in somewhat more flyballs compared to other pitchers' cutters and has slightly above average velo. Their curve is thrown extremely hard, generates an extremely high number of swings & misses compared to other pitchers' curves, has primarily 12-6 movement, has little depth and results in somewhat more flyballs compared to other pitchers' curves. Their slow curve is a real yakker that's separated from their other curveball due to its big drop and slow speed. Their change is thrown extremely hard, generates fewer whiffs/swing compared to other pitchers' changeups, has slight armside fade and has some natural sink to it.