Adam Peterson vs. Bret Prinz — Career Comparison

Adam Peterson built a career as a starting pitcher and Bret Prinz as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bret Prinz posted stronger surface numbers — ERA 4.89 and WHIP 1.674 compared to 5.46 and 1.516 for Adam Peterson. By the career numbers, Bret Prinz had the better of this cross-role comparison — though era context would sharpen the verdict.