Rollin Cook vs. John Mickey — Career Comparison

John Mickey built a career as a starting pitcher and Rollin Cook as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Mickey posted stronger surface numbers — ERA 6.14 and WHIP 1.909 compared to 7.24 and 1.829 for Rollin Cook. By the career numbers, John Mickey had the better of this cross-role comparison — though era context would sharpen the verdict.