Spencer Arrighetti vs. Dennis Lewallyn — Career Comparison

Spencer Arrighetti built a career as a starting pitcher and Dennis Lewallyn as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dennis Lewallyn posted stronger surface numbers — ERA 4.48 and WHIP 1.481 compared to 4.69 and 1.409 for Spencer Arrighetti. By the career numbers, Dennis Lewallyn had the better of this cross-role comparison — though era context would sharpen the verdict.