Chummy Gray vs. Grant Hartwig — Career Comparison

Looking at the career totals, Chummy Gray and Grant Hartwig are fairly close on the surface numbers. Chummy Gray posted stronger numbers in ERA (3.44 vs 5.14) and home runs allowed (0.13 per nine innings vs 0.86). Grant Hartwig had the advantage in WHIP (1.429 vs 1.542). By the career numbers, Chummy Gray 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.