Don Carman vs. A. J. Puk — Career Comparison

Don Carman built a career as a starting pitcher and A. J. Puk as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. A. J. Puk led in walk avoidance (BB%+ 129 vs 90), skill-based run prevention (DICE+ 118 vs 87), and home run suppression (HR9+ 108 vs 77). Role difference aside, A. J. Puk holds a clear edge on every meaningful shared measure.