John Firth vs. Daniel Zamora — Career Comparison

Looking at the career totals, John Firth and Daniel Zamora are fairly close on the surface numbers. Daniel Zamora posted stronger numbers in ERA (4.5 vs 8) and WHIP (1.455 vs 2.111). John Firth had the advantage in home runs allowed (0 per nine innings vs 1.23). By the career numbers, Daniel Zamora 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.