John Firth vs. Dom Zanni — Career Comparison

Looking at the career totals, John Firth and Dom Zanni are fairly close on the surface numbers. Dom Zanni posted stronger numbers in ERA (3.79 vs 8) and WHIP (1.361 vs 2.111). John Firth had the advantage in home runs allowed (0 per nine innings vs 0.98). By the career numbers, Dom Zanni 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.