Ben Callahan vs. Wayne Osborne — Career Comparison

Looking at the career totals, Ben Callahan and Wayne Osborne are fairly close on the surface numbers. Wayne Osborne posted stronger numbers in ERA (5.91 vs 12.54) and WHIP (1.922 vs 2.571). Ben Callahan had the advantage in home runs allowed (0 per nine innings vs 0.42). By the career numbers, Wayne Osborne 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.