Tampa Bay Rays
Although they have not thrown an MLB pitch in 2023, Zach Eflin threw 10,783 pitches that were tracked by the PITCHf/x system between 2016 and 2022, including pitches thrown in the MLB Regular Season, the MLB Postseason and Spring Training. In 2022, they relied primarily on their Sinker (93mph) and Curve (78mph), also mixing in a Cutter (90mph), Fourseam Fastball (93mph) and Change (87mph). He also rarely threw a Slider (86mph).
In 2022, compared to other RHP:
His sinker has slight armside run and has some natural sinking action. His curve generates an extremely high number of swings & misses compared to other pitchers' curves and has slight glove-side movement. His cutter is an extreme flyball pitch compared to other pitchers' cutters, has little cutting action and has slightly above average velo. His fourseam fastball has some natural sinking action, has essentially average velo, results in somewhat more flyballs compared to other pitchers' fourseamers and has slight armside run. His change is basically never swung at and missed compared to other pitchers' changeups and is much firmer than usual. His slider is basically never swung at and missed compared to other pitchers' sliders, is an extreme flyball pitch compared to other pitchers' sliders and has less than expected depth.