Jim Mertz vs. Drew Pomeranz — Career Comparison

Looking at the career totals, Jim Mertz and Drew Pomeranz are fairly close on the surface numbers. Drew Pomeranz posted stronger numbers in ERA (3.82 vs 4.63) and WHIP (1.341 vs 1.431). Jim Mertz had the advantage in home runs allowed (0.54 per nine innings vs 1.14). By the career numbers, Drew Pomeranz 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.