Non-MLB
Although they have not thrown an MLB pitch in 2024, Deolis Guerra threw 2,927 pitches that were tracked by the PITCHf/x system between 2015 and 2023, including pitches thrown in the MLB Regular Season and Spring Training. In 2023, they relied primarily on their Change (82mph) and Fourseam Fastball (90mph), also mixing in a Sinker (91mph), Curve (76mph) and Cutter (83mph).
In 2023, compared to other RHP:
Their change (take this with a grain of salt because they've only thrown 19 of them in 2023) generates an extremely high number of swings & misses compared to other pitchers' changeups, results in more flyballs compared to other pitchers' changeups, has slight cut action and has slightly below average velo. Their fourseam fastball (take this with a grain of salt because they've only thrown 16 of them in 2023) is an extreme flyball pitch compared to other pitchers' fourseamers, has below average velo and has some natural sinking action. Their sinker (take this with a grain of salt because they've only thrown 5 of them in 2023) is basically never swung at and missed compared to other pitchers' sinkers, is an extreme flyball pitch compared to other pitchers' sinkers and has less armside run than typical. Their curve (take this with a grain of salt because they've only thrown 5 of them in 2023) is basically never swung at and missed compared to other pitchers' curves, results in more flyballs compared to other pitchers' curves, has a sharp downward bite, has primarily 12-6 movement and has slightly below average velo. Their cutter (take this with a grain of salt because they've only thrown 4 of them in 2023) comes in below hitting speed, generates an extremely high number of swings & misses compared to other pitchers' cutters, has heavy sink, is an extreme flyball pitch compared to other pitchers' cutters and has strong cutting action.