He began his career at Home Farm and signed for Shamrock Rovers in 1957.
Farrell also made one appearance for the Republic of Ireland B in 1960 having already played for his country at schoolboy and youth level.
[2] Farrell won his first FAI Cup medal in 1962 alongside his brother Eamonn.
[3] He shared a benefit game with Tony Byrne in May 1965.
[4] In December 1965 Farrell was suspended by Rovers for a breach of discipline.