Joe Harvey vs. Al Mahon — Career Comparison

Looking at the career totals, Joe Harvey and Al Mahon are fairly close on the surface numbers. Joe Harvey posted stronger numbers in ERA (4.22 vs 22.85) and WHIP (1.594 vs 4.154). Al Mahon had the advantage in home runs allowed (0 per nine innings vs 1.27). By the career numbers, Joe Harvey 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.