Juan Castillo vs. Slim McGrew — Career Comparison

Juan Castillo 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 6.94 and 1.886 for Juan Castillo. By the career numbers, Slim McGrew had the better of this cross-role comparison — though era context would sharpen the verdict.