Which significant Sinn Féin politician attended the Dr. McKenna Cup?
Martin McGuinness James Martin Pacelli McGuinness (Irish: "Séamus Máirtín Pacelli Mag Aonghusa" ; 23 May 1950 – 21 March 2017) was an Irish republican and Sinn Féin politician who was the deputy First Minister of Northern Ireland from May 2007 to January 2017.
Gay McKenna Gay McKenna was an Irish greyhound trainer who won the Irish Greyhound Derby five times. He was considered the leading trainer in Ireland from 1960 until 1972.