Oakland Athletics
Jack Perkins has thrown 2,781 pitches that have been tracked by the PITCHf/x system between 2023 and 2026, including pitches thrown in the MLB Regular Season, The World Baseball Classic, Spring Training and Fall/Winter Ball. In 2026, they have relied primarily on their Fourseam Fastball (96mph) and Slider (86mph), also mixing in a Change (90mph) and Cutter (92mph). He also rarely throws a Sinker (95mph) and Curve (85mph).
In 2026, compared to other RHP:
Their fourseam fastball has some natural sinking action, has well above average velo and results in somewhat more flyballs compared to other pitchers' fourseamers. Their slider sweeps across the zone, results in more flyballs compared to other pitchers' sliders and has some two-plane movement. Their change is thrown extremely hard, dives down out of the zone, generates a high number of swings & misses compared to other pitchers' changeups and results in many more groundballs compared to other pitchers' changeups. Their cutter is blazing fast, has little cutting action, results in somewhat more groundballs compared to other pitchers' cutters and has some natural sink. 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 curve (take this with a grain of salt because they've only thrown 6 of them in 2026) is thrown extremely hard, results in more flyballs compared to other pitchers' curves and has primarily 12-6 movement.