Bob Ewing vs. George Mack — Career Comparison

On the career pitching numbers, Bob Ewing posted a stronger line than George Mack. Bob Ewing posted stronger numbers in ERA (2.49 vs 7.19) and WHIP (1.178 vs 1.890). By the career numbers, Bob Ewing 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.