Craig Lefferts vs. Zach McClellan — Career Comparison

Looking at the career totals, Craig Lefferts and Zach McClellan are fairly close on the surface numbers. Craig Lefferts posted stronger numbers in ERA (3.43 vs 5.79) and WHIP (1.296 vs 1.929). Zach McClellan had the advantage in home runs allowed (0 per nine innings vs 0.94). By the career numbers, Craig Lefferts 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.