Raleigh Aitchison vs. Gerardo Concepcion — Career Comparison

Raleigh Aitchison built a career as a starting pitcher and Gerardo Concepcion as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Raleigh Aitchison posted stronger surface numbers — ERA 3.01 and WHIP 1.260 compared to 3.86 and 1.286 for Gerardo Concepcion. By the career numbers, Raleigh Aitchison had the better of this cross-role comparison — though era context would sharpen the verdict.