Jim Peterson vs. Bill Wilkinson — Career Comparison

Looking at the career totals, Jim Peterson and Bill Wilkinson are fairly close on the surface numbers. Bill Wilkinson posted stronger numbers in ERA (4.13 vs 5.27) and WHIP (1.244 vs 1.665). Jim Peterson had the advantage in home runs allowed (0.74 per nine innings vs 1.03). By the career numbers, Bill Wilkinson 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.