Rattler Harrison vs. Ren Kelly — Career Comparison

Rattler Harrison built a career as a starting pitcher and Ren Kelly as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ren Kelly posted stronger surface numbers — ERA 2.57 and WHIP 1.571 compared to 4.71 and 1.718 for Rattler Harrison. By the career numbers, Ren Kelly had the better of this cross-role comparison — though era context would sharpen the verdict.