Arizona Diamondbacks
Although they have not thrown an MLB pitch in 2024, Jandel Gustave threw 1,663 pitches that were tracked by the PITCHf/x system between 2016 and 2023, including pitches thrown in the MLB Regular Season and Spring Training. In 2023, they relied primarily on their Sinker (95mph) and Slider (85mph), also mixing in a Fourseam Fastball (93mph).
In 2023, compared to other RHP:
Their sinker has well above average velo and has some natural sinking action. Their slider has some two-plane movement. Their fourseam fastball (take this with a grain of salt because they've only thrown 9 of them in 2023) has heavy sinking action, is basically never swung at and missed compared to other pitchers' fourseamers, is an extreme flyball pitch compared to other pitchers' fourseamers and has essentially average velo.