Mike Armstrong vs. Mike Foltynewicz — Career Comparison

Mike Foltynewicz built a career as a starting pitcher and Mike Armstrong as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mike Armstrong led in run prevention (ERA+ 110 vs 101), strikeout rate (K%+ 107 vs 99), and home run suppression (HR9+ 95 vs 92). Mike Foltynewicz held the edge in walk avoidance (BB%+ 107 vs 90). Role difference aside, Mike Armstrong holds a clear edge on every meaningful shared measure.