John Firth vs. Randy Niemann — Career Comparison

Looking at the career totals, John Firth and Randy Niemann are fairly close on the surface numbers. Randy Niemann posted stronger numbers in ERA (4.64 vs 8) and WHIP (1.565 vs 2.111). John Firth had the advantage in home runs allowed (0 per nine innings vs 0.36). By the career numbers, Randy Niemann 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.