Oakland Athletics
Jacob Lopez has thrown 5,476 pitches that have been tracked by the PITCHf/x system between 2023 and 2026, including pitches thrown in the MLB Regular Season and Spring Training. In 2026, they have relied primarily on their Fourseam Fastball (91mph) and Slider (79mph), also mixing in a Cutter (87mph), Sinker (90mph) and Change (83mph).
In 2026, compared to other LHP:
Their fourseam fastball generates an extremely high number of swings & misses compared to other pitchers' fourseamers, has heavy sinking action, has essentially average velo, results in somewhat more flyballs compared to other pitchers' fourseamers and has slight armside run. Their slider results in more flyballs compared to other pitchers' sliders, has short glove-side cut, has below average velo and has some two-plane movement. Their cutter (take this with a grain of salt because they've only thrown 15 of them in 2026) generates an extremely high number of swings & misses compared to other pitchers' cutters, is an extreme flyball pitch compared to other pitchers' cutters, has some natural sink and has strong cutting action. Their sinker (take this with a grain of salt because they've only thrown 7 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 and has some natural sinking action. Their change (take this with a grain of salt because they've only thrown 7 of them in 2026) is basically never swung at and missed compared to other pitchers' changeups, dives down out of the zone and is an extreme flyball pitch compared to other pitchers' changeups.