Josh Butler vs. Tom Wilhelmsen — Career Comparison

Looking at the career totals, Josh Butler and Tom Wilhelmsen are fairly close on the surface numbers. Tom Wilhelmsen posted stronger numbers in ERA (3.53 vs 9) and WHIP (1.312 vs 3.250). Josh Butler had the advantage in home runs allowed (0 per nine innings vs 0.77). By the career numbers, Tom Wilhelmsen 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.