Sean O'Sullivan vs. Jug Thesenga — Career Comparison

Sean O'Sullivan built a career as a starting pitcher and Jug Thesenga as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jug Thesenga posted stronger surface numbers — ERA 5.11 and WHIP 2.432 compared to 6.01 and 1.616 for Sean O'Sullivan. By the career numbers, Jug Thesenga had the better of this cross-role comparison — though era context would sharpen the verdict.