Drew Gagnon vs. Willie Mueller — Career Comparison

Looking at the career totals, Drew Gagnon and Willie Mueller are fairly close on the surface numbers. Willie Mueller posted stronger numbers in ERA (6.14 vs 7.32) and home runs allowed (0.61 per nine innings vs 3.28). Drew Gagnon had the advantage in WHIP (1.710 vs 1.773). By the career numbers, Willie Mueller had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.