Francisco Morales vs. Jim Peterson — Career Comparison

Looking at the career totals, Francisco Morales and Jim Peterson are fairly close on the surface numbers. Jim Peterson posted stronger numbers in ERA (5.27 vs 7.2) and home runs allowed (0.74 per nine innings vs 1.8). Francisco Morales had the advantage in WHIP (1.600 vs 1.665). By the career numbers, Jim Peterson 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.