Art Mahaffey vs. Zach McAllister — Career Comparison

Art Mahaffey built a career as a starting pitcher and Zach McAllister as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Zach McAllister led in walk avoidance (BB%+ 122 vs 94), home run suppression (HR9+ 94 vs 79), and skill-based run prevention (DICE+ 97 vs 90). Art Mahaffey held the edge in strikeout rate (K%+ 102 vs 90). Keeping the role difference in mind, the edge still goes to Zach McAllister.