Terry Forster vs. John Mackinson — Career Comparison

On the career pitching numbers, Terry Forster posted a stronger line than John Mackinson. Terry Forster posted stronger numbers in ERA (3.23 vs 7.36) and WHIP (1.405 vs 1.773). By the career numbers, Terry Forster 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.