Jim Peterson vs. Donne Wall — Career Comparison

Looking at the career totals, Jim Peterson and Donne Wall are fairly close on the surface numbers. Donne Wall posted stronger numbers in ERA (4.2 vs 5.27) and WHIP (1.348 vs 1.665). Jim Peterson had the advantage in home runs allowed (0.74 per nine innings vs 1.18). By the career numbers, Donne Wall 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.