Zach McClellan vs. Al Osuna — Career Comparison

Looking at the career totals, Zach McClellan and Al Osuna are fairly close on the surface numbers. Al Osuna posted stronger numbers in ERA (3.83 vs 5.79) and WHIP (1.448 vs 1.929). Zach McClellan had the advantage in home runs allowed (0 per nine innings vs 0.79). By the career numbers, Al Osuna 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.