Seattle Mariners
Although they have not thrown an MLB pitch in 2024, Luke Barker threw 54 pitches that were tracked by the PITCHf/x system in 2022, all of them occuring in the MLB Regular Season. In 2022, they relied primarily on their Fourseam Fastball (91mph) and Splitter (82mph).
In 2022, compared to other RHP:
Their fourseam fastball generates an extremely high number of swings & misses compared to other pitchers' fourseamers, results in somewhat more groundballs compared to other pitchers' fourseamers, has slightly below average velo, has slightly less natural movement than typical and has some added backspin. Their splitter is basically never swung at and missed compared to other pitchers' splitters, has surprising cut action, has some natural sink to it, has below average velo and results in somewhat more groundballs compared to other pitchers' splitters.