Zach McAllister vs. Roger Miller — Career Comparison

Looking at the career totals, Zach McAllister and Roger Miller are fairly close on the surface numbers. Zach McAllister posted stronger numbers in ERA (4.15 vs 11.57) and home runs allowed (1.07 per nine innings vs 3.86). Roger Miller had the advantage in WHIP (1.286 vs 1.412). By the career numbers, Zach McAllister 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.