George O'Donnell vs. Andy Van Hekken — Career Comparison

Looking at the career totals, George O'Donnell and Andy Van Hekken are fairly close on the surface numbers. Andy Van Hekken had the edge in ERA (3 vs 4.53). By the career numbers, Andy Van Hekken 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.