Jason Adam vs. Zach McClellan — Career Comparison

Looking at the career totals, Jason Adam and Zach McClellan are fairly close on the surface numbers. Jason Adam posted stronger numbers in ERA (2.69 vs 5.79) and WHIP (1.060 vs 1.929). Zach McClellan had the advantage in home runs allowed (0 per nine innings vs 0.91). By the career numbers, Jason Adam 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.