John Firth vs. Brad Thomas — Career Comparison

Looking at the career totals, John Firth and Brad Thomas are fairly close on the surface numbers. Brad Thomas posted stronger numbers in ERA (5.8 vs 8) and WHIP (1.769 vs 2.111). John Firth had the advantage in home runs allowed (0 per nine innings vs 1.04). By the career numbers, Brad Thomas 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.