J. J. Putz vs. Mike Witt — Career Comparison

Mike Witt built a career as a starting pitcher and J. J. Putz as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. J. J. Putz led in walk avoidance (BB%+ 130 vs 104), run prevention (ERA+ 123 vs 99), and skill-based run prevention (DICE+ 121 vs 100). Role difference aside, J. J. Putz holds a clear edge on every meaningful shared measure.