John Jackson vs. Robbie Ross — Career Comparison

John Jackson built a career as a starting pitcher and Robbie Ross as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Robbie Ross posted stronger surface numbers — ERA 3.92 and WHIP 1.418 compared to 6 and 2.019 for John Jackson. By the career numbers, Robbie Ross had the better of this cross-role comparison — though era context would sharpen the verdict.