on 22 July, which Waterford lost by 0-24 to 0-18. Prunty was eligible as a dual minor again for the 2015 Munster Championships. Both his football and hurling seasons ended with defeats by Limerick. These were also his last games in the minor grade. Prunty retained his dual status as a member of both of Waterford's under-21 teams during the 2016 Munster Championships. He made his first appearance for the under-21 football team on 16 March when he lined out at midfield in a 3-18 to 0-02 defeat by Cork. Prunty enjoyed a more successful debut with the under-21 hurling team on 13 July when he lined out at left wing-back in a 3-23 to 1-11 defeat of Clare. He retained his position on the starting fifteen for the Munster final against Tipperary on 27 July and collected a winners' medal following the 2-19 to 0-15 victory. On 10 September, Prunty was again at left wing-back for the All-Ireland final against Galway. He ended the game with an All-Ireland medal following the 5-15 to 0-14 victory. Prunty ended his dual player status and committed solely to hurling for the 2017 Munster Championship. He made his only appearance on 13 July in a 2-17 to 1-19 defeat by Cork at the semi-final stage. Prunty was again eligible for the under-21 team for the 2018 Munster Championship. Lining out in his third and final season in the grade, he made his only appearance on 20 June in a second successive 0-23 to 1-17 defeat by Cork. Senior Prunty was added to the Waterford senior team prior to the start of the pre-season Munster League in 2017. He made his first appearance on 8 January, lining out at left wing-back in a 0-24 to 1-14 defeat by Limerick. Prunty remained as a member of the extended panel for the rest of the season which culminated on 3 September with a 0-16 to 2-17 defeat by Galway in the All-Ireland final. On 11 March 2018, Prunty made his first appearance in the National League when he came on as a 54th-minute substitute for Mark O'Brien in a 1-23 to 1-20 defeat of Clare. He was retained as a member of the panel for the subsequent Munster Championship. On 31 March 2019, Prunty was introduced as a substitute for Calum Lyons at full-back when Waterford suffered a 1-24 to 0-19 defeat by Limerick in the