Jack Armstrong vs. Carlos Estevez — Career Comparison

Jack Armstrong built a career as a starting pitcher and Carlos Estevez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Carlos Estevez led in home run suppression (HR9+ 112 vs 85), run prevention (ERA+ 111 vs 89), and skill-based run prevention (DICE+ 102 vs 89). Jack Armstrong held the edge in strikeout rate (K%+ 103 vs 98). Role difference aside, Carlos Estevez holds a clear edge on every meaningful shared measure.