Jim Peterson vs. Shea Spitzbarth — Career Comparison

Looking at the career totals, Jim Peterson and Shea Spitzbarth are fairly close on the surface numbers. Shea Spitzbarth posted stronger numbers in ERA (3.6 vs 5.27) and WHIP (1.200 vs 1.665). Jim Peterson had the advantage in home runs allowed (0.74 per nine innings vs 1.8). By the career numbers, Shea Spitzbarth 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.