Scott Atchison vs. Zach McClellan — Career Comparison

Looking at the career totals, Scott Atchison and Zach McClellan are fairly close on the surface numbers. Scott Atchison posted stronger numbers in ERA (3.63 vs 5.79) and WHIP (1.232 vs 1.929). Zach McClellan had the advantage in home runs allowed (0 per nine innings vs 0.91). By the career numbers, Scott Atchison 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.