Ben Callahan vs. Joe Trimble — Career Comparison

Looking at the career totals, Ben Callahan and Joe Trimble are fairly close on the surface numbers. Joe Trimble posted stronger numbers in ERA (7.48 vs 12.54) and WHIP (1.846 vs 2.571). Ben Callahan had the advantage in home runs allowed (0 per nine innings vs 2.91). By the career numbers, Joe Trimble 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.