John Firth vs. John Riedling — Career Comparison

Looking at the career totals, John Firth and John Riedling are fairly close on the surface numbers. John Riedling posted stronger numbers in ERA (4.41 vs 8) and WHIP (1.536 vs 2.111). John Firth had the advantage in home runs allowed (0 per nine innings vs 0.72). By the career numbers, John Riedling 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.