Non-MLB
Although they have not thrown an MLB pitch in 2024, Hector Velázquez threw 2,762 pitches that were tracked by the PITCHf/x system between 2017 and 2021, including pitches thrown in the MLB Regular Season and Spring Training. In 2021, they relied primarily on their Sinker (89mph), Fourseam Fastball (91mph) and Slider (78mph), also mixing in a Splitter (84mph).
In 2021, compared to other RHP:
Their sinker (take this with a grain of salt because they've only thrown 14 of them in 2021) is basically never swung at and missed compared to other pitchers' sinkers, is an extreme flyball pitch compared to other pitchers' sinkers and has below average velo. Their fourseam fastball (take this with a grain of salt because they've only thrown 9 of them in 2021) generates a high number of swings & misses compared to other pitchers' fourseamers, is an extreme flyball pitch compared to other pitchers' fourseamers, has some natural sinking action and has slightly below average velo. Their slider (take this with a grain of salt because they've only thrown 7 of them in 2021) comes in below hitting speed, is basically never swung at and missed compared to other pitchers' sliders, results in more flyballs compared to other pitchers' sliders and has some two-plane movement. Their splitter (take this with a grain of salt because they've only thrown 4 of them in 2021) is basically never swung at and missed compared to other pitchers' splitters, is an extreme flyball pitch compared to other pitchers' splitters, has some natural sink to it and has slight armside fade.