Texas Rangers
Kumar Rocker has thrown 2,538 pitches that have been tracked by the PITCHf/x system between 2024 and 2026, including pitches thrown in the MLB Regular Season, The World Baseball Classic and Spring Training. In 2026, they have relied primarily on their Slider (84mph) and Sinker (95mph), also mixing in a Fourseam Fastball (96mph), Cutter (92mph) and Change (90mph).
In 2026, compared to other RHP:
Their slider has exceptional depth, has primarily 12-6 movement and results in somewhat more groundballs compared to other pitchers' sliders. Their sinker generates an extremely high number of swings & misses compared to other pitchers' sinkers, is a real worm killer that generates an extreme number of groundballs compared to other pitchers' sinkers, has well above average velo, has slight armside run and has some natural sinking action. Their fourseam fastball has heavy sinking action, is a real worm killer that generates an extreme number of groundballs compared to other pitchers' fourseamers, generates more whiffs/swing compared to other pitchers' fourseamers and has well above average velo. Their cutter is basically never swung at and missed compared to other pitchers' cutters, is blazing fast, results in more flyballs compared to other pitchers' cutters, has little cutting action and has some natural sink. Their change is thrown extremely hard, results in somewhat more flyballs compared to other pitchers' changeups, has slight armside fade and has some natural sink to it.