Texas Rangers
Kumar Rocker has thrown 2,190 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 (96mph), also mixing in a Cutter (93mph), Fourseam Fastball (96mph) and Change (89mph).
In 2026, compared to other RHP:
Their slider has exceptional depth, generates more whiffs/swing compared to other pitchers' sliders and has primarily 12-6 movement. Their sinker generates an extremely high number of swings & misses compared to other pitchers' sinkers, is an extreme flyball pitch compared to other pitchers' sinkers, is blazing fast and has some natural sinking action. Their cutter is basically never swung at and missed compared to other pitchers' cutters, is blazing fast, has little cutting action, results in somewhat more flyballs compared to other pitchers' cutters and has some natural sink. Their fourseam fastball has heavy sinking action, is an extreme flyball pitch compared to other pitchers' fourseamers and has well above average velo. Their change (take this with a grain of salt because they've only thrown 15 of them in 2026) is thrown extremely hard, is basically never swung at and missed compared to other pitchers' changeups, results in more flyballs compared to other pitchers' changeups, has slight armside fade and has some natural sink to it.