 The 2–13 to 0–12 score line gave Tyrrell an All-Ireland Under-21 Hurling Championship medal while he also had the honour of collecting the cup as captain.Tyrrell was still a member of the under-21 team when he was added to the Kilkenny senior panel in 2003.That year he shared in his county's Leinster and All-Ireland triumphs, however, Tyrrell was yet to make his debut.