Ernest Groth vs. Ron Mahay — Career Comparison

Looking at the career totals, Ernest Groth and Ron Mahay are fairly close on the surface numbers. Ron Mahay posted stronger numbers in ERA (3.83 vs 4.91) and home runs allowed (1.19 per nine innings vs 2.45). Ernest Groth had the advantage in WHIP (1.227 vs 1.456). By the career numbers, Ron Mahay 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.