R. J. Alvarez vs. Henry Mathewson — Career Comparison

Henry Mathewson 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. Henry Mathewson posted stronger surface numbers — ERA 4.91 and WHIP 2.000 compared to 7.71 and 1.879 for R. J. Alvarez. By the career numbers, Henry Mathewson had the better of this cross-role comparison — though era context would sharpen the verdict.