San Francisco Giants
Although they have not thrown an MLB pitch in 2026, Hayden Birdsong threw 3,635 pitches that were tracked by the PITCHf/x system between 2024 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they relied primarily on their Fourseam Fastball (95mph) and Cutter (89mph), also mixing in a Change (88mph) and Curve (80mph). He also rarely threw a Slider (87mph).
In 2025, compared to other RHP:
Their fourseam fastball results in somewhat more flyballs compared to other pitchers' fourseamers and has slightly above average velo. Their cutter generates an extremely high number of swings & misses compared to other pitchers' cutters and has some natural sink. Their change dives down out of the zone, is much firmer than usual and results in somewhat more groundballs compared to other pitchers' changeups. Their curve has primarily 12-6 movement, generates more whiffs/swing compared to other pitchers' curves, has a sharp downward bite, is slightly harder than usual and results in somewhat more flyballs compared to other pitchers' curves. Their slider results in more flyballs compared to other pitchers' sliders, is much harder than usual, has primarily 12-6 movement and has some two-plane movement.