Spencer Arrighetti vs. Orlando Peña — Career Comparison

Spencer Arrighetti built a career as a starting pitcher and Orlando Peña as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Orlando Peña posted stronger surface numbers — ERA 3.71 and WHIP 1.305 compared to 4.69 and 1.409 for Spencer Arrighetti. By the career numbers, Orlando Peña had the better of this cross-role comparison — though era context would sharpen the verdict.