Zach Eflin vs. Bob Macdonald — Career Comparison

Zach Eflin built a career as a starting pitcher and Bob Macdonald as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Zach Eflin led in walk avoidance (BB%+ 183 vs 100), skill-based run prevention (DICE+ 114 vs 94), and home run suppression (HR9+ 104 vs 90). Role difference aside, Zach Eflin holds a clear edge on every meaningful shared measure.