Oakland Athletics
Although they have not thrown an MLB pitch in 2025, Francisco Pérez threw 2,004 pitches that were tracked by the PITCHf/x system between 2021 and 2024, including pitches thrown in the MLB Regular Season, Spring Training and Fall/Winter Ball. In 2024, they relied primarily on their Slider (83mph) and Fourseam Fastball (92mph), also mixing in a Sinker (92mph) and Change (86mph). He also rarely threw a Curve (76mph).
In 2024, compared to other LHP:
Their slider generates more whiffs/swing compared to other pitchers' sliders and has some two-plane movement. Their fourseam fastball generates an extremely high number of swings & misses compared to other pitchers' fourseamers, has less armside movement than typical, has essentially average velo and results in somewhat more flyballs compared to other pitchers' fourseamers. Their sinker has surprisingly little armside run and has slightly above average velo. Their change generates a high number of swings & misses compared to other pitchers' changeups, is much firmer than usual and has slight cut action. Their curve generates fewer whiffs/swing compared to other pitchers' curves and results in somewhat more flyballs compared to other pitchers' curves.