Seattle Mariners
Jhonathan Díaz has thrown 7,392 pitches that have been tracked by the PITCHf/x system between 2021 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they have relied primarily on their Slider (79mph) and Sinker (87mph), also mixing in a Change (80mph) and Fourseam Fastball (89mph). He also rarely throws a Curve (71mph), Cutter (86mph) and Slow Curve (54mph).
In 2025, compared to other LHP:
Their slider sweeps across the zone and has below average velo. Their sinker has heavy sinking action, has below average velo and has less armside run than typical. Their change dives down out of the zone, has slight cut action, results in somewhat more flyballs compared to other pitchers' changeups and has slightly below average velo. Their fourseam fastball has heavy sinking action, results in somewhat more groundballs compared to other pitchers' fourseamers, has slightly below average velo and has slightly less natural movement than typical. Their curve has an exceptional bite, comes in below hitting speed, has sweeping glove-side movement and results in more flyballs compared to other pitchers' curves. Their cutter has some natural sink and has strong cutting action. Their slow curve is a real yakker that's separated from their other curveball due to its big drop and slow speed.