Tom Knowlson vs. Andy Van Hekken — Career Comparison

Looking at the career totals, Tom Knowlson and Andy Van Hekken are fairly close on the surface numbers. Andy Van Hekken posted stronger numbers in ERA (3 vs 3.49) and WHIP (1.467 vs 1.579). Tom Knowlson had the advantage in home runs allowed (0.09 per nine innings vs 0.6). 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.