Career
He plays hurling with his local club Nenagh Éire Óg and with the Tipperary senior inter-county team He made his National Hurling League debut as a substitute against Limerick in 2010, scoring a point from play. He went on to make his Championship debut on 3 July 2010 against Wexford in the 2010 All-Ireland Senior Hurling Championship Qualifiers.
On 28 July 2010, Heffernan played at corner forward, scoring 1-3 for Tipperary as they defeated Clare in the 2010 Munster Under-21 Hurling final at Semple Stadium, winning by 1-22 to 1-17.
Six day"s later on 11 September 2010, Tipperary clinched the All Ireland Under-21 title by defeating Galway by 5-22 to 0-12 at Semple Stadium, with Heffernan starting at corner forward and scoring two points. He started the All-Ireland final at full forward and scored one goal and four points in the 3-13 to 1-17 victory against Kilkenny at Semple Stadium.
Tipperary.