Jake Arrieta vs. Richard Rodriguez — Career Comparison

Jake Arrieta built a career as a starting pitcher and Richard Rodriguez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Richard Rodriguez led in walk avoidance (BB%+ 171 vs 89), run prevention (ERA+ 144 vs 87), and skill-based run prevention (DICE+ 118 vs 90). Role difference aside, Richard Rodriguez holds a clear edge on every meaningful shared measure.