Adam Peterson vs. Raul Valdes — Career Comparison

Adam Peterson built a career as a starting pitcher and Raul Valdes as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Raul Valdes posted stronger surface numbers — ERA 5.13 and WHIP 1.361 compared to 5.46 and 1.516 for Adam Peterson. By the career numbers, Raul Valdes had the better of this cross-role comparison — though era context would sharpen the verdict.