Jim Konstanty vs. John Mackinson — Career Comparison

On the career pitching numbers, Jim Konstanty posted a stronger line than John Mackinson. Jim Konstanty posted stronger numbers in ERA (3.46 vs 7.36) and WHIP (1.300 vs 1.773). By the career numbers, Jim Konstanty 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.