Oakland Athletics
Although they have not thrown an MLB pitch in 2024, Aaron Laffey threw 7,905 pitches that were tracked by the PITCHf/x system between 2007 and 2016, including pitches thrown in the MLB Regular Season and Spring Training. In 2016, they relied primarily on their Fourseam Fastball (86mph) and Cutter (85mph), also mixing in a Sinker (84mph), Change (81mph) and Slider (79mph).
In 2016, compared to other LHP:
Their fourseam fastball (take this with a grain of salt because they've only thrown 6 of them in 2016) comes in below hitting speed, generates an extremely high number of swings & misses compared to other pitchers' fourseamers, has heavy sinking action, is an extreme flyball pitch compared to other pitchers' fourseamers and has much less armside movement than typical. Their cutter (take this with a grain of salt because they've only thrown 6 of them in 2016) is basically never swung at and missed 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 2 of them in 2016) is so slow that it is substantially gravitational, has heavy sinking action, is basically never swung at and missed compared to other pitchers' sinkers, is an extreme flyball pitch compared to other pitchers' sinkers and has slight armside run. Their change (take this with a grain of salt because they've only thrown 1 of them in 2016) is basically never swung at and missed compared to other pitchers' changeups, is an extreme flyball pitch compared to other pitchers' changeups, has slight cut action and has slightly below average velo. Their slider (take this with a grain of salt because they've only thrown 1 of them in 2016) is basically never swung at and missed compared to other pitchers' sliders, sweeps across the zone, results in more flyballs compared to other pitchers' sliders and has below average velo.