Boston Red Sox
Although they have not thrown an MLB pitch in 2024, Corey Kluber threw 26,207 pitches that were tracked by the PITCHf/x system between 2011 and 2023, including pitches thrown in the MLB Regular Season, the MLB Postseason and Spring Training. In 2023, they relied primarily on their Slider (81mph), Sinker using a Two-seam Fastball grip (88mph) and Cutter (86mph), also mixing in a Change (82mph). He also rarely threw a Fourseam Fastball (88mph).
In 2023, compared to other RHP:
Their slider sweeps across the zone, results in more flyballs compared to other pitchers' sliders, has below average velo and has some two-plane movement. Their sinker using a two-seam fastball grip has below average velo, results in more flyballs compared to other pitchers' sinkers, has slight armside run and has some natural sinking action. Their cutter is an extreme flyball pitch compared to other pitchers' cutters, has slightly below average velo, has some natural sink and has strong cutting action. Their change dives down out of the zone and has slight armside fade. Their fourseam fastball comes in below hitting speed, generates an extremely high number of swings & misses compared to other pitchers' fourseamers, has some natural sinking action and has slightly less natural movement than typical.