R. J. Alvarez vs. Jo-Jo Reyes — Career Comparison

Jo-Jo Reyes built a career as a starting pitcher and R. J. Alvarez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jo-Jo Reyes posted stronger surface numbers — ERA 6.06 and WHIP 1.665 compared to 7.71 and 1.879 for R. J. Alvarez. By the career numbers, Jo-Jo Reyes had the better of this cross-role comparison — though era context would sharpen the verdict.