Jack Armstrong vs. Brad Boxberger — Career Comparison

Jack Armstrong built a career as a starting pitcher and Brad Boxberger as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Brad Boxberger led in strikeout rate (K%+ 138 vs 103), run prevention (ERA+ 123 vs 89), and skill-based run prevention (DICE+ 108 vs 89). Jack Armstrong held the edge in walk avoidance (BB%+ 91 vs 89). Role difference aside, Brad Boxberger holds a clear edge on every meaningful shared measure.