Porfi Altamirano vs. John Firth — Career Comparison

Looking at the career totals, Porfi Altamirano and John Firth are fairly close on the surface numbers. Porfi Altamirano posted stronger numbers in ERA (4.03 vs 8) and WHIP (1.342 vs 2.111). John Firth had the advantage in home runs allowed (0 per nine innings vs 1.28). By the career numbers, Porfi Altamirano 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.