Jarred Cosart vs. Lou Polli — Career Comparison

Jarred Cosart built a career as a starting pitcher and Lou Polli as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jarred Cosart posted stronger surface numbers — ERA 3.98 and WHIP 1.463 compared to 4.68 and 1.843 for Lou Polli. By the career numbers, Jarred Cosart had the better of this cross-role comparison — though era context would sharpen the verdict.