On 22 October 2016, Lyons lined out at centre-back when Ballyduff Lower faced St. Mary's in the Waterford Junior Championship final.
He made his first appearance in that grade on 13 July 2017 when he lined out at left wing-back in a 2-17 to 1-19 defeat by Cork at the semi-final stage.
He made his only appearance for the team on 20 June 2017 when he scored a point after coming on as a substitute in a second successive 0-23 to 1-17 defeat by Cork at the semi-final stage.
[9] Lyons was added to the Waterford senior team prior to the start of the pre-season Munster League in 2017.
He made his first appearance in that competition on 16 February 2019 when he came on as a 49th-minute substitute for Jordan Henley at left wing-back and scored a point in 3-15 to 0-10 defeat of Carlow.