Denis Boucher vs. Ben Callahan — Career Comparison

Looking at the career totals, Denis Boucher and Ben Callahan are fairly close on the surface numbers. Denis Boucher posted stronger numbers in ERA (5.42 vs 12.54) and WHIP (1.548 vs 2.571). Ben Callahan had the advantage in home runs allowed (0 per nine innings vs 1.73). By the career numbers, Denis Boucher 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.