Zach McClellan vs. Ron Nischwitz — Career Comparison

Looking at the career totals, Zach McClellan and Ron Nischwitz are fairly close on the surface numbers. Ron Nischwitz posted stronger numbers in ERA (4.21 vs 5.79) and WHIP (1.535 vs 1.929). Zach McClellan had the advantage in home runs allowed (0 per nine innings vs 0.94). By the career numbers, Ron Nischwitz 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.