Washington Nationals
Trevor Williams has thrown 16,423 pitches that have been tracked by the PITCHf/x system between 2016 and 2025, including pitches thrown in the MLB Regular Season and Spring Training. In 2025, they have relied primarily on their Slider (78mph) and Fourseam Fastball (88mph), also mixing in a Change (81mph) and Sinker (87mph).
In 2025, compared to other RHP:
Their slider comes in below hitting speed, has short glove-side cut, has less than expected depth and results in somewhat more flyballs compared to other pitchers' sliders. Their fourseam fastball comes in below hitting speed, has heavy sinking action, has much less armside movement than typical and results in somewhat more groundballs compared to other pitchers' fourseamers. Their change generates an extremely high number of swings & misses compared to other pitchers' changeups, dives down out of the zone, results in somewhat more groundballs compared to other pitchers' changeups, has slight armside fade and has slightly below average velo. Their sinker is so slow that it is substantially gravitational, has heavy sinking action and results in somewhat more flyballs compared to other pitchers' sinkers.