Willie Hernandez vs. Zach McClellan — Career Comparison

Looking at the career totals, Willie Hernandez and Zach McClellan are fairly close on the surface numbers. Willie Hernandez posted stronger numbers in ERA (3.38 vs 5.79) and WHIP (1.321 vs 1.929). Zach McClellan had the advantage in home runs allowed (0 per nine innings vs 0.84). By the career numbers, Willie Hernandez 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.