Terry Mathews vs. Jim Peterson — Career Comparison

Looking at the career totals, Terry Mathews and Jim Peterson are fairly close on the surface numbers. Terry Mathews posted stronger numbers in ERA (4.25 vs 5.27) and WHIP (1.496 vs 1.665). Jim Peterson had the advantage in home runs allowed (0.74 per nine innings vs 1.07). By the career numbers, Terry Mathews 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.