Pittsburgh Pirates
Derek Diamond has thrown 1,394 pitches that have been tracked by the PITCHf/x system between 2023 and 2026, including pitches thrown in Spring Training and Fall/Winter Ball. In 2026, they have relied primarily on their Slider (85mph) and Fourseam Fastball (95mph), also mixing in a Sinker (94mph). He also rarely throws a Change (84mph) and Curve (76mph).
In 2026, compared to other RHP:
Their slider (take this with a grain of salt because they've only thrown 17 of them in 2026) generates fewer whiffs/swing compared to other pitchers' sliders, results in more flyballs compared to other pitchers' sliders and has short glove-side cut. Their fourseam fastball (take this with a grain of salt because they've only thrown 12 of them in 2026) generates an extremely high number of swings & misses compared to other pitchers' fourseamers, is an extreme flyball pitch compared to other pitchers' fourseamers, has some natural sinking action, has slightly above average velo and has slightly less natural movement than typical. Their sinker (take this with a grain of salt because they've only thrown 5 of them in 2026) is basically never swung at and missed compared to other pitchers' sinkers, is an extreme flyball pitch compared to other pitchers' sinkers, has slightly above average velo and has some natural sinking action. Their change (take this with a grain of salt because they've only thrown 1 of them in 2026) is basically never swung at and missed compared to other pitchers' changeups, dives down out of the zone, results in more flyballs compared to other pitchers' changeups and has slight armside fade. Their curve (take this with a grain of salt because they've only thrown 1 of them in 2026) is basically never swung at and missed compared to other pitchers' curves, has sweeping glove-side movement, results in more flyballs compared to other pitchers' curves and has slightly below average velo.