Robbie Erlin vs. Rosario Rodriguez — Career Comparison

Robbie Erlin built a career as a starting pitcher and Rosario Rodriguez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Rosario Rodriguez posted stronger surface numbers — ERA 4.8 and WHIP 1.533 compared to 4.87 and 1.297 for Robbie Erlin. By the career numbers, Rosario Rodriguez had the better of this cross-role comparison — though era context would sharpen the verdict.