John Firth vs. Aneury Rodriguez — Career Comparison

Looking at the career totals, John Firth and Aneury Rodriguez are fairly close on the surface numbers. Aneury Rodriguez posted stronger numbers in ERA (5.12 vs 8) and WHIP (1.336 vs 2.111). John Firth had the advantage in home runs allowed (0 per nine innings vs 1.48). By the career numbers, Aneury Rodriguez 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.