Al Mahon vs. Jerry Nielsen — Career Comparison

Looking at the career totals, Al Mahon and Jerry Nielsen are fairly close on the surface numbers. Jerry Nielsen posted stronger numbers in ERA (5.91 vs 22.85) and WHIP (1.844 vs 4.154). Al Mahon had the advantage in home runs allowed (0 per nine innings vs 0.56). By the career numbers, Jerry Nielsen 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.