George Hesselbacher vs. Carl Mays — Career Comparison

On the career pitching numbers, Carl Mays posted a stronger line than George Hesselbacher. Carl Mays posted stronger numbers in ERA (2.92 vs 7.27) and WHIP (1.207 vs 2.269). By the career numbers, Carl Mays 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.