Gavin Williams holds the strongest position in the MLB Postseason strikeout leader market due to his record-setting dominance for the Cleveland Guardians, amassing 33 strikeouts across 16.2 innings in the ALDS and ALCS with a 45.9% K-rate—the highest for any pitcher with at least 10 postseason innings. This includes standout outings of 12 strikeouts in ALDS Game 5 and nine in ALCS Game 3, building on his AL-leading 248 regular-season strikeouts. Other contenders trail significantly in both volume and rate, with limited remaining opportunities depending on series length and bullpen usage. Trader consensus reflects Williams' substantial lead and Cleveland's extended playoff run, though additional starts or relief work could further extend the gap before the World Series concludes.