Bernard Fernández vs. Jim Mertz — Career Comparison

Looking at the career totals, Bernard Fernández and Jim Mertz are fairly close on the surface numbers. Jim Mertz posted stronger numbers in ERA (4.63 vs 7.36) and WHIP (1.431 vs 1.773). Bernard Fernández had the advantage in home runs allowed (0 per nine innings vs 0.54). By the career numbers, Jim Mertz 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.