Non-MLB
Although they have not thrown an MLB pitch in 2024, Ronald Bolaños threw 2,184 pitches that were tracked by the PITCHf/x system between 2019 and 2023, including pitches thrown in the MLB Regular Season, The World Baseball Classic and Spring Training. In 2023, they relied primarily on their Fourseam Fastball (93mph), Sinker (93mph) and Slider (85mph), also mixing in a Curve (77mph) and Change (88mph). He also rarely threw a Slow Curve (69mph).