John Firth vs. Kyle Nelson — Career Comparison

Looking at the career totals, John Firth and Kyle Nelson are fairly close on the surface numbers. Kyle Nelson posted stronger numbers in ERA (4.34 vs 8) and WHIP (1.328 vs 2.111). John Firth had the advantage in home runs allowed (0 per nine innings vs 1.32). By the career numbers, Kyle Nelson 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.