Aaron Looper vs. Dan Petry — Career Comparison

Dan Petry built a career as a starting pitcher and Aaron Looper as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dan Petry posted stronger surface numbers — ERA 3.95 and WHIP 1.399 compared to 5.14 and 1.286 for Aaron Looper. By the career numbers, Dan Petry had the better of this cross-role comparison — though era context would sharpen the verdict.