Seattle Mariners
Although they have not thrown an MLB pitch in 2025, Luke Barker threw 194 pitches that were tracked by the PITCHf/x system between 2022 and 2024, all of them occuring in the MLB Regular Season. In 2024, they relied primarily on their Fourseam Fastball (91mph) and Splitter (83mph), also mixing in a Slider (83mph).