Pitch Repertoire At-A-Glance

Joe Kelly has thrown 15,278 pitches that have been tracked by the PITCHf/x system between 2012 and 2024, including pitches thrown in the MLB Regular Season, the MLB Postseason and Spring Training. In 2024, they have relied primarily on their Sinker (98mph) and Fourseam Fastball (98mph), also mixing in a Slider (90mph), Curve

Source: Harry How/Getty Images North America / Zimbio.com">using a Knuckle Curve grip (87mph) and Change (88mph).


In 2024, compared to other RHP:
Their sinker is thrown at a speed that's borderline unfair, generates a very high amount of groundballs compared to other pitchers' sinkers, generates fewer whiffs/swing compared to other pitchers' sinkers, has slight armside run and has some natural sinking action. Their fourseam fastball is thrown at a speed that's borderline unfair, has some natural sinking action and has slight armside run. Their slider is thrown extremely hard, sweeps across the zone, results in somewhat more flyballs compared to other pitchers' sliders and has some two-plane movement. Their curve

source: harry how/getty images north america / zimbio.com">using a knuckle curve grip is thrown extremely hard, generates a high number of swings & misses compared to other pitchers' curves, has a sharp downward bite and has primarily 12-6 movement. Their change generates an extremely high number of swings & misses compared to other pitchers' changeups, has an obvious armside fade, dives down out of the zone, is much firmer than usual and results in somewhat more flyballs compared to other pitchers' changeups.