Seattle Mariners
Jhonathan Díaz has thrown 5,614 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 (82mph) and Fourseam Fastball (90mph). He also rarely throws a Curve (71mph).
In 2025, compared to other LHP:
Their slider sweeps across the zone, has below average velo and has some two-plane movement. Their sinker has heavy sinking action, has less armside run than typical and has slightly below average velo. Their change dives down out of the zone, generates more whiffs/swing compared to other pitchers' changeups and has slight cut action. Their fourseam fastball has some natural 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 and has sweeping glove-side movement.