Oakland Athletics
Although they have not thrown an MLB pitch in 2026, Jack Perkins threw 1,433 pitches that were tracked by the PITCHf/x system between 2023 and 2025, including pitches thrown in the MLB Regular Season and Fall/Winter Ball. In 2025, they relied primarily on their Fourseam Fastball (96mph) and Slider (86mph), also mixing in a Cutter (93mph) and Change (89mph). He also rarely threw a Curve (83mph).
In 2025, compared to other RHP:
Their fourseam fastball generates more whiffs/swing compared to other pitchers' fourseamers, has some natural sinking action, has well above average velo and has slight armside run. Their slider sweeps across the zone, generates more whiffs/swing compared to other pitchers' sliders and has some two-plane movement. Their cutter 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, generates an extremely high number of swings & misses compared to other pitchers' changeups, dives down out of the zone and results in somewhat more groundballs compared to other pitchers' changeups. Their curve generates an extremely high number of swings & misses compared to other pitchers' curves, is much harder than usual, has primarily 12-6 movement and results in somewhat more flyballs compared to other pitchers' curves.