Joe Boyle vs. Sean Spencer — Career Comparison

Joe Boyle built a career as a starting pitcher and Sean Spencer as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Joe Boyle posted stronger surface numbers — ERA 4.98 and WHIP 1.444 compared to 8.64 and 2.160 for Sean Spencer. By the career numbers, Joe Boyle had the better of this cross-role comparison — though era context would sharpen the verdict.