Although he has not thrown an MLB pitch in 2019, Corey Kluber threw 20,309 pitches that were tracked by the PITCHf/x system between 2011 and 2018, including pitches thrown in the MLB Regular Season, the MLB Postseason and Spring Training. In 2018, he relied primarily on his Sinker
Basic description of 2018 pitches compared to other RHP:
His sinker has some natural sinking action. His cutter generates more whiffs/swing compared to other pitchers' cutters, has some natural sink and has strong cutting action. His slider sweeps across the zone and results in somewhat more flyballs compared to other pitchers' sliders. His fourseam fastball has some natural sinking action, has essentially average velo and has slightly less natural movement than typical. His change generates more whiffs/swing compared to other pitchers' changeups, is slightly firmer than usual, results in somewhat more groundballs compared to other pitchers' changeups and has some natural sink to it.