Isidro Marquez vs. Sean Nolin — Career Comparison

Sean Nolin built a career as a starting pitcher and Isidro Marquez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Sean Nolin posted stronger surface numbers — ERA 6.34 and WHIP 1.803 compared to 6.75 and 1.650 for Isidro Marquez. By the career numbers, Sean Nolin had the better of this cross-role comparison — though era context would sharpen the verdict.