Jim Peterson vs. Greg Weissert — Career Comparison

Looking at the career totals, Jim Peterson and Greg Weissert are fairly close on the surface numbers. Greg Weissert posted stronger numbers in ERA (3.28 vs 5.27) and WHIP (1.287 vs 1.665). Jim Peterson had the advantage in home runs allowed (0.74 per nine innings vs 0.95). By the career numbers, Greg Weissert 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.