Mariano Rivera vs. Luther Roy — Career Comparison

Luther Roy built a career as a starting pitcher and Mariano Rivera as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mariano Rivera posted stronger surface numbers — ERA 2.21 and WHIP 1.032 compared to 7.17 and 1.893 for Luther Roy. By the career numbers, Mariano Rivera had the better of this cross-role comparison — though era context would sharpen the verdict.