On 23 November 2011, Bennett scored ten points for Blackwater CS in their 0-11 to 0-08 defeat of Dungarvan Community School to win the Dean Ryan Cup.
On 11 March 2015, he came on as a substitute and won a Fitzgibbon Cup medal as UL defeated the Waterford Institute of Technology by 2-18 to 1-14 in a replay of the final at Páirc Uí Rinn.
[3] Bennett first played hurling at juvenile and underage levels with Naomh Carthach, an amalgamation of Ballysaggart and Lismore.
[15] On 3 May 2015, Bennett was a late change to the Waterford team that faced Cork in the 2015 National League final.
[16] On 12 July 2015, Bennett lined out at right corner-forward in the Munster Championship final but was substituted by his brother Shane in the 0-21 to 0-16 defeat.
[17] In November 2015, it was announced that Bennett would miss the 2016 National Hurling League after undergoing two hip operations.
[18] He made his return to the Waterford team on 5 June 2016 when he came on as a late substitute for Michael Walsh in a 1-21 to 0-17 defeat of Clare.
[19] On 10 July, Bennett was an unused substitute when Waterford suffered a 5-19 to 0-13 defeat by Tipperary in the Munster Championship final.