Humberto Castellanos vs. Slim McGrew — Career Comparison

Humberto Castellanos built a career as a starting pitcher and Slim McGrew as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Humberto Castellanos posted stronger surface numbers — ERA 5.43 and WHIP 1.414 compared to 6.6 and 1.900 for Slim McGrew. By the career numbers, Humberto Castellanos had the better of this cross-role comparison — though era context would sharpen the verdict.