San Diego Padres
Alek Jacob has thrown 1,959 pitches that have been tracked by the PITCHf/x system between 2022 and 2025, including pitches thrown in the MLB Regular Season, Spring Training and Fall/Winter Ball. In 2025, they have relied primarily on their Change (76mph) and Fourseam Fastball (86mph), also mixing in a Sinker (85mph) and Slider (73mph).
In 2025, compared to other RHP:
Their change comes in below hitting speed, has an obvious armside fade, dives down out of the zone and results in somewhat more flyballs compared to other pitchers' changeups. Their fourseam fastball comes in below hitting speed, generates an extremely high number of swings & misses compared to other pitchers' fourseamers, has an obvious tail, results in more flyballs compared to other pitchers' fourseamers and has some natural sinking action. Their sinker is so slow that it is substantially gravitational, has heavy sinking action, has an obvious tail and results in somewhat more flyballs compared to other pitchers' sinkers. Their slider comes in below hitting speed, sweeps across the zone, is an extreme flyball pitch compared to other pitchers' sliders and has less than expected depth.