Geoff Hartlieb vs. Al Mahon — Career Comparison

Looking at the career totals, Geoff Hartlieb and Al Mahon are fairly close on the surface numbers. Geoff Hartlieb posted stronger numbers in ERA (7.95 vs 22.85) and WHIP (1.972 vs 4.154). Al Mahon had the advantage in home runs allowed (0 per nine innings vs 1.42). By the career numbers, Geoff Hartlieb 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.