Art Mahaffey vs. Yuki Matsui — Career Comparison

Art Mahaffey built a career as a starting pitcher and Yuki Matsui as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Yuki Matsui led in run prevention (ERA+ 105 vs 90), strikeout rate (K%+ 105 vs 102), and home run suppression (HR9+ 80 vs 79). Art Mahaffey held the edge in walk avoidance (BB%+ 94 vs 81). Role difference aside, Yuki Matsui holds a clear edge on every meaningful shared measure.