Seattle Mariners
Although they have not thrown an MLB pitch in 2024, Gregory Santos threw 1,724 pitches that were tracked by the PITCHf/x system between 2021 and 2023, including pitches thrown in the MLB Regular Season, Spring Training and Fall/Winter Ball. In 2023, they relied primarily on their Slider (92mph) and Sinker (99mph), also mixing in a Fourseam Fastball (99mph).