Ben Callahan vs. Charley Wilson — Career Comparison

Looking at the career totals, Ben Callahan and Charley Wilson are fairly close on the surface numbers. Charley Wilson posted stronger numbers in ERA (4.02 vs 12.54) and WHIP (1.353 vs 2.571). Ben Callahan had the advantage in home runs allowed (0 per nine innings vs 0.34). By the career numbers, Charley Wilson 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.