Jonathan Aro vs. Erskine Mayer — Career Comparison

Erskine Mayer built a career as a starting pitcher and Jonathan Aro as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Erskine Mayer posted stronger surface numbers — ERA 2.96 and WHIP 1.233 compared to 6.55 and 1.909 for Jonathan Aro. By the career numbers, Erskine Mayer had the better of this cross-role comparison — though era context would sharpen the verdict.