R. J. Alvarez vs. Dave Roberts — Career Comparison

Dave Roberts 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. Dave Roberts posted stronger surface numbers — ERA 3.78 and WHIP 1.374 compared to 7.71 and 1.879 for R. J. Alvarez. By the career numbers, Dave Roberts had the better of this cross-role comparison — though era context would sharpen the verdict.