Miami Marlins
Although they have not thrown an MLB pitch in 2024, Preston Guilmet threw 609 pitches that were tracked by the PITCHf/x system between 2013 and 2021, all of them occuring in the MLB Regular Season. In 2021, they relied primarily on their Splitter (81mph) and Fourseam Fastball (89mph), also mixing in a Curve (78mph).