Aaron Bummer vs. Jo-Jo Reyes — Career Comparison

Jo-Jo Reyes built a career as a starting pitcher and Aaron Bummer as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Aaron Bummer led in home run suppression (HR9+ 237 vs 75), skill-based run prevention (DICE+ 138 vs 82), and run prevention (ERA+ 123 vs 75). Role difference aside, Aaron Bummer holds a clear edge on every meaningful shared measure.