Luis Aponte vs. Marty Bystrom — Career Comparison

Marty Bystrom built a career as a starting pitcher and Luis Aponte as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Luis Aponte posted stronger surface numbers — ERA 3.27 and WHIP 1.350 compared to 4.26 and 1.428 for Marty Bystrom. By the career numbers, Luis Aponte had the better of this cross-role comparison — though era context would sharpen the verdict.