Mike Duvall vs. Andy Pettitte — Career Comparison

Andy Pettitte built a career as a starting pitcher and Mike Duvall as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Andy Pettitte posted stronger surface numbers — ERA 3.85 and WHIP 1.363 compared to 4.76 and 1.863 for Mike Duvall. By the career numbers, Andy Pettitte had the better of this cross-role comparison — though era context would sharpen the verdict.