John Curtis vs. George Mack — Career Comparison

On the career pitching numbers, John Curtis posted a stronger line than George Mack. John Curtis posted stronger numbers in ERA (3.96 vs 7.19) and WHIP (1.497 vs 1.890). By the career numbers, John Curtis 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.