Al Mahon vs. George Ziegler — Career Comparison

On the career pitching numbers, George Ziegler posted a stronger line than Al Mahon. George Ziegler posted stronger numbers in ERA (10.5 vs 22.85) and WHIP (2.000 vs 4.154). By the career numbers, George Ziegler 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.