Josh Collmenter vs. Chuck Hartenstein — Career Comparison

Josh Collmenter built a career as a starting pitcher and Chuck Hartenstein as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Josh Collmenter led in run prevention (ERA+ 109 vs 83), walk avoidance (BB%+ 150 vs 127), and home run suppression (HR9+ 89 vs 81). Role difference aside, Josh Collmenter holds a clear edge on every meaningful shared measure.