John Firth vs. Brent Leach — Career Comparison

Looking at the career totals, John Firth and Brent Leach are fairly close on the surface numbers. Brent Leach posted stronger numbers in ERA (5.75 vs 8) and WHIP (1.525 vs 2.111). John Firth had the advantage in home runs allowed (0 per nine innings vs 1.33). By the career numbers, Brent Leach 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.