Jack Armstrong vs. Bert Roberge — Career Comparison

Jack Armstrong built a career as a starting pitcher and Bert Roberge as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bert Roberge led in home run suppression (HR9+ 154 vs 85), walk avoidance (BB%+ 113 vs 91), and skill-based run prevention (DICE+ 107 vs 89). Jack Armstrong held the edge in strikeout rate (K%+ 103 vs 90). Role difference aside, Bert Roberge holds a clear edge on every meaningful shared measure.