Jim Peterson vs. Justin Sterner — Career Comparison

Looking at the career totals, Jim Peterson and Justin Sterner are fairly close on the surface numbers. Justin Sterner posted stronger numbers in ERA (3.13 vs 5.27) and WHIP (1.116 vs 1.665). Jim Peterson had the advantage in home runs allowed (0.74 per nine innings vs 1.3). By the career numbers, Justin Sterner 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.