McDonald first came to prominence as a hurler with Gorey Community School and Naomh Eanna GAA Club.
[2] As a student at University College Dublin, McDonald joined the senior hurling team during his second year.
[3] McDonald joined the Naomh Éanna club at a young age and played in all grades at juvenile and underage levels.
[5] On 17 October 2015, McDonald lined out at full-forward when Naomh Éanna faced Crossabeg-Ballymurn in the final of the Wexford Intermediate Championship.
[6] On 21 October 2018, McDonald lined out at full-forward when Naomh Éanna reached the final of the Wexford Senior Championship.
[11] On 9 July 2014, McDonald won a second successive Leinster Championship medal after scoring 1-03 from full-forward in a 1-20 to 0-18 defeat of Dublin in the final.
[14] On 8 July 2015, McDonald won a third successive Leinster Championship after top scoring with 1-10 in the 4-17 to 1-09 defeat of Kilkenny in the final.
[19] On 2 July 2017, McDonald was selected at left wing-forward when Wexford qualified for their first Leinster final in nine years.
[21] On 20 January 2018, McDonald was named amongst the substitutes when Wexford faced Kilkenny in the Walsh Cup final.