John Firth vs. Mark Lee — Career Comparison

Looking at the career totals, John Firth and Mark Lee are fairly close on the surface numbers. Mark Lee posted stronger numbers in ERA (3.64 vs 8) and WHIP (1.551 vs 2.111). John Firth had the advantage in home runs allowed (0 per nine innings vs 0.31). By the career numbers, Mark Lee 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.