Robbie Erlin vs. Steve Simpson — Career Comparison

Robbie Erlin built a career as a starting pitcher and Steve Simpson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Steve Simpson posted stronger surface numbers — ERA 4.76 and WHIP 1.676 compared to 4.87 and 1.297 for Robbie Erlin. By the career numbers, Steve Simpson had the better of this cross-role comparison — though era context would sharpen the verdict.