New York Mets
David Peterson has thrown 9,980 pitches that have been tracked by the PITCHf/x system between 2020 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they have relied primarily on their Sinker (92mph), Slider (85mph) and Fourseam Fastball (93mph), also mixing in a Change (84mph) and Curve (79mph).
In 2025, compared to other LHP:
Their sinker has less armside run than typical, results in somewhat more groundballs compared to other pitchers' sinkers, has slightly above average velo and has some natural sinking action. Their slider is a real worm killer that generates an extreme number of groundballs compared to other pitchers' sliders and has some two-plane movement. Their fourseam fastball has less armside movement than typical, has some natural sinking action, results in somewhat more groundballs compared to other pitchers' fourseamers and has slightly above average velo. Their change is a real worm killer that generates an extreme number of groundballs compared to other pitchers' changeups, dives down out of the zone, generates fewer whiffs/swing compared to other pitchers' changeups and is slightly firmer than usual. Their curve is a real worm killer that generates an extreme number of groundballs compared to other pitchers' curves and is slightly harder than usual.