Cleveland Guardians
Although they have not thrown an MLB pitch in 2024, Phillip Diehl threw 1,098 pitches that were tracked by the PITCHf/x system between 2019 and 2023, including pitches thrown in the MLB Regular Season and Spring Training. In 2023, they relied primarily on their Fourseam Fastball (92mph) and Cutter (86mph), also mixing in a Slider (82mph) and Curve (77mph). He also rarely threw a Change (86mph).
In 2023, compared to other LHP:
Their fourseam fastball generates a high number of swings & misses compared to other pitchers' fourseamers, has essentially average velo and results in somewhat more flyballs compared to other pitchers' fourseamers. Their cutter generates an extremely high number of swings & misses compared to other pitchers' cutters, has heavy sink, results in somewhat more flyballs compared to other pitchers' cutters and has strong cutting action. Their slider has exceptional depth, generates more whiffs/swing compared to other pitchers' sliders and results in somewhat more groundballs compared to other pitchers' sliders. Their curve generates an extremely high number of swings & misses compared to other pitchers' curves, has a sharp downward bite, has primarily 12-6 movement and results in somewhat more flyballs compared to other pitchers' curves. Their change generates a high number of swings & misses compared to other pitchers' changeups, is much firmer than usual and results in more flyballs compared to other pitchers' changeups.