Jim McGlothlin vs. Jim Mertz — Career Comparison

Looking at the career totals, Jim McGlothlin and Jim Mertz are fairly close on the surface numbers. Jim McGlothlin posted stronger numbers in ERA (3.61 vs 4.63) and WHIP (1.304 vs 1.431). Jim Mertz had the advantage in home runs allowed (0.54 per nine innings vs 0.87). By the career numbers, Jim McGlothlin 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.