Joe Boyle vs. Trevor Rosenthal — Career Comparison

Joe Boyle built a career as a starting pitcher and Trevor Rosenthal as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Trevor Rosenthal posted stronger surface numbers — ERA 3.36 and WHIP 1.343 compared to 4.98 and 1.444 for Joe Boyle. By the career numbers, Trevor Rosenthal had the better of this cross-role comparison — though era context would sharpen the verdict.