Joe Boyle vs. Justin Shafer — Career Comparison

Joe Boyle built a career as a starting pitcher and Justin Shafer as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Justin Shafer posted stronger surface numbers — ERA 4.7 and WHIP 1.770 compared to 4.98 and 1.444 for Joe Boyle. By the career numbers, Justin Shafer had the better of this cross-role comparison — though era context would sharpen the verdict.