Jonathan Aro vs. Porter Vaughan — Career Comparison

Porter Vaughan 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. Porter Vaughan posted stronger surface numbers — ERA 5.83 and WHIP 1.730 compared to 6.55 and 1.909 for Jonathan Aro. By the career numbers, Porter Vaughan had the better of this cross-role comparison — though era context would sharpen the verdict.