Michael Kopech vs. Cliff Speck — Career Comparison

Michael Kopech built a career as a starting pitcher and Cliff Speck as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Cliff Speck posted stronger surface numbers — ERA 4.13 and WHIP 1.412 compared to 4.14 and 1.333 for Michael Kopech. By the career numbers, Cliff Speck had the better of this cross-role comparison — though era context would sharpen the verdict.