Jose Alvarado vs. Oliver Perez — Career Comparison

Oliver Perez built a career as a starting pitcher and Jose Alvarado as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jose Alvarado led in home run suppression (HR9+ 303 vs 77), skill-based run prevention (DICE+ 154 vs 87), and run prevention (ERA+ 147 vs 91). Role difference aside, Jose Alvarado holds a clear edge on every meaningful shared measure.