Jerry Byrne vs. Roy Mahaffey — Career Comparison

Looking at the career totals, Jerry Byrne and Roy Mahaffey are fairly close on the surface numbers. Roy Mahaffey posted stronger numbers in ERA (5.01 vs 7.36) and WHIP (1.546 vs 2.318). Jerry Byrne had the advantage in home runs allowed (0 per nine innings vs 0.72). By the career numbers, Roy Mahaffey 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.