Bobby Cuellar vs. Michael Kopech — Career Comparison

Michael Kopech built a career as a starting pitcher and Bobby Cuellar as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bobby Cuellar posted stronger surface numbers — ERA 1.35 and WHIP 0.900 compared to 4.14 and 1.333 for Michael Kopech. By the career numbers, Bobby Cuellar had the better of this cross-role comparison — though era context would sharpen the verdict.