Ray Treacy Rovers fans when his penalty against Sligo helped win the FAI Cup in 1978. Treacy almost scored a hat trick for the Republic of Ireland national football team against Turkey in April 1978. The two goals he scored (along with the game's opening goal by Johnny Giles) represent the last occasion that a home-based player has scored for the senior Irish national team until 40 years later when in June 2018, Graham Burke, also a Shamrock Rovers player, scored against the United States. Treacy represented the League of Ireland in a friendly against Argentina in the Boca Junior Stadium in
Seán Treacy Féin leaders. Treacy and Dan Breen were relocated to Dublin, where they were directed to operate with Michael Collins' assassination unit, "The Squad". The Squad's mission was to discover and assassinate British secret agents, political policemen and their informants, and to carry out other special missions for General Headquarters (GHQ) as directed by Collins. With help from police inspectors brought up to Dublin from Tipperary, Ormonde Winter's CIS spotted Treacy and Breen after their arrival in Dublin and placed them under surveillance. On 11 October 1920, Treacy and Breen were holed up in a safe house – Fernside – in