Humberto Castellanos vs. Lou Polli — Career Comparison

Humberto Castellanos 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. Lou Polli posted stronger surface numbers — ERA 4.68 and WHIP 1.843 compared to 5.43 and 1.414 for Humberto Castellanos. By the career numbers, Lou Polli had the better of this cross-role comparison — though era context would sharpen the verdict.