Rheal Cormier vs. John Firth — Career Comparison

Looking at the career totals, Rheal Cormier and John Firth are fairly close on the surface numbers. Rheal Cormier posted stronger numbers in ERA (4.03 vs 8) and WHIP (1.311 vs 2.111). John Firth had the advantage in home runs allowed (0 per nine innings vs 0.89). By the career numbers, Rheal Cormier 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.