Glavin began his League career at Partick Thistle and spent six years at the club, making his name as a talented attacking midfielder before joining Celtic in 1974. During his five years at Parkhead, Glavin enjoyed success including winning the League championship. The 1976–77 season was noted for Glavin's prolific scoring from midfield.
He joined Barnsley on 7 June 1979, then under the management of Allan Clarke. Then in the Third Division, Barnsley rose to promotion under the management of Norman Hunter in 1981 and thereafter became an established Second Division club. Glavin became a favourite with Barnsley supporters with his outstanding skilful play and prolific scoring from midfield. He is widely regarded as one of Barnsley's all-time greats.[5]
He moved to Portuguese club Belenenses in 1984, but returned to Barnsley for a brief spell as a player-coach within a year. In 1986, he moved on to a similar role at Stockport County, but finished the 1986–87 season as a player at Cowdenbeath in Scotland.[6]
International career
Glavin won a Scotland cap during his time at Celtic, playing in a friendly match against Sweden in April 1977.[1][7]
Management and coaching
He began his management career at Frickley Athletic in 1991, before moving on to Emley in 1994. He led Emley to the third round of the FA Cup in 1997–98, where they played West Ham. He returned to Barnsley as first team coach in the summer of 2003, but left after four months following a takeover. He took over as manager at Worksop Town, replacing Steve Ludlam, but returned to Emley, now renamed Wakefield in September 2007. On 13 October 2010, it was announced that Glavin had stepped down from first team management duties to concentrate on a new role as director of youth development.[8]