Boston Red Sox
Luis Guerrero has thrown 1,727 pitches that have been tracked by the PITCHf/x system between 2021 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they have relied primarily on their Slider (84mph) and Fourseam Fastball (96mph), also mixing in a Change (86mph).
In 2025, compared to other RHP:
Their slider generates a high number of swings & misses compared to other pitchers' sliders, has short glove-side cut and has some two-plane movement. Their fourseam fastball has some natural sinking action, has well above average velo, results in somewhat more flyballs compared to other pitchers' fourseamers and has slight armside run. Their change results in more flyballs compared to other pitchers' changeups, is slightly firmer than usual, has slight armside fade and has some natural sink to it.