Ray Moss vs. Jeff Niemann — Career Comparison

Looking at the career totals, Ray Moss and Jeff Niemann are fairly close on the surface numbers. Jeff Niemann posted stronger numbers in ERA (4.08 vs 4.95) and WHIP (1.301 vs 1.594). Ray Moss had the advantage in home runs allowed (0.63 per nine innings vs 1.07). By the career numbers, Jeff 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.