Spencer Arrighetti vs. Ronny Miller — Career Comparison

Spencer Arrighetti built a career as a starting pitcher and Ronny Miller as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ronny Miller posted stronger surface numbers — ERA 4.5 and WHIP 1.500 compared to 4.69 and 1.409 for Spencer Arrighetti. By the career numbers, Ronny Miller had the better of this cross-role comparison — though era context would sharpen the verdict.