David Peterson vs. Chris Withrow — Career Comparison

David Peterson built a career as a starting pitcher and Chris Withrow as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Chris Withrow posted stronger surface numbers — ERA 3.07 and WHIP 1.153 compared to 4.12 and 1.376 for David Peterson. By the career numbers, Chris Withrow had the better of this cross-role comparison — though era context would sharpen the verdict.