Nelson Greene vs. Al Mahon — Career Comparison

Looking at the career totals, Nelson Greene and Al Mahon are fairly close on the surface numbers. Nelson Greene posted stronger numbers in ERA (8.71 vs 22.85) and WHIP (2.194 vs 4.154). Al Mahon had the advantage in home runs allowed (0 per nine innings vs 1.45). By the career numbers, Nelson Greene 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.