Luke Gregerson vs. Bob Kelly — Career Comparison

Bob Kelly built a career as a starting pitcher and Luke Gregerson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Luke Gregerson posted stronger surface numbers — ERA 3.15 and WHIP 1.150 compared to 4.5 and 1.456 for Bob Kelly. By the career numbers, Luke Gregerson had the better of this cross-role comparison — though era context would sharpen the verdict.