Philip Humber vs. Duster Mails — Career Comparison

Looking at the career totals, Philip Humber and Duster Mails are fairly close on the surface numbers. Duster Mails posted stronger numbers in ERA (4.1 vs 5.31) and home runs allowed (0.47 per nine innings vs 1.29). Philip Humber had the advantage in WHIP (1.442 vs 1.500). By the career numbers, Duster Mails 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.