Jon Duplantier vs. Slim McGrew — Career Comparison

Jon Duplantier 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. Slim McGrew posted stronger surface numbers — ERA 6.6 and WHIP 1.900 compared to 6.7 and 1.711 for Jon Duplantier. By the career numbers, Slim McGrew had the better of this cross-role comparison — though era context would sharpen the verdict.