Roberto Duran vs. Kevin Mulvey — Career Comparison

Kevin Mulvey built a career as a starting pitcher and Roberto Duran as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Roberto Duran posted stronger surface numbers — ERA 6.58 and WHIP 1.846 compared to 7.9 and 1.756 for Kevin Mulvey. By the career numbers, Roberto Duran had the better of this cross-role comparison — though era context would sharpen the verdict.