Rommie Lewis vs. Zach McClellan — Career Comparison

Looking at the career totals, Rommie Lewis and Zach McClellan are fairly close on the surface numbers. Zach McClellan posted stronger numbers in ERA (5.79 vs 7.23) and home runs allowed (0 per nine innings vs 1.9). Rommie Lewis had the advantage in WHIP (1.775 vs 1.929). By the career numbers, Zach McClellan 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.