Jack Armstrong vs. Phil Maton — Career Comparison

Jack Armstrong built a career as a starting pitcher and Phil Maton as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Phil Maton led in walk avoidance (BB%+ 114 vs 91), run prevention (ERA+ 103 vs 89), and skill-based run prevention (DICE+ 93 vs 89). Jack Armstrong held the edge in strikeout rate (K%+ 103 vs 102). Role difference aside, Phil Maton holds a clear edge on every meaningful shared measure.