Derek Aucoin vs. Fred Hahn — Career Comparison

Looking at the career totals, Derek Aucoin and Fred Hahn are fairly close on the surface numbers. Fred Hahn had the edge in ERA (0 vs 3.38). By the career numbers, Fred Hahn 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.