Jim Peterson vs. Bryan Shaw — Career Comparison

Looking at the career totals, Jim Peterson and Bryan Shaw are fairly close on the surface numbers. Bryan Shaw posted stronger numbers in ERA (3.96 vs 5.27) and WHIP (1.365 vs 1.665). Jim Peterson had the advantage in home runs allowed (0.74 per nine innings vs 0.97). By the career numbers, Bryan Shaw 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.