Jesse Fowler vs. John Mackinson — Career Comparison

On the career pitching numbers, Jesse Fowler posted a stronger line than John Mackinson. Jesse Fowler posted stronger numbers in ERA (4.41 vs 7.36) and WHIP (1.408 vs 1.773). By the career numbers, Jesse Fowler 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.