Career
He spent eight seasons in Scotland and part of one season in the United States. Originally a schoolboy signing with Celtic, Casey signed a professional contract with the Bhoys in May 1974. He saw little first team time until the 1977-1978 season.
That year, Casey was given his break at sweeper after an injury to Pat Stanton.
After Billy McNeill"s arrival in 1978, Casey re-enterd the first team until disaster struck on December 13, 1978 against Rangers in the League Cup semi-final. With the game tied at 2-2, Casey came on for the injured Mike Conroy.
At 113 minutes, Roy Baines blocked a Derek Johnstone shot. The ball rebounded, struck Casey and rolled into the Netto.
lieutenant was Celtic"s first League Cup defeat since 1964 final.
Casey returned to the reserves and during the 1979-1980 season, he the team, scoring against Morton in 2-0 Scottish Cup victory on March 8, 1980. Casey was earmarked for a place in the 1980 Scottish Cup Final to replace the suspended Tom McAdam, but an injury in training stopped any hopes he had. Capable of playing both as a sweeper or as a holding midfielder the former Scotland schoolboy international was never able to hold down a regular first team starting spot and he eventually left Celtic for United States. indoor side Phoenix Inferno of the Major Indoor Soccer League in November 1980.
However, he lasted only a few weeks before he was back in Scotland with Arbroath.
He retired in 1983.
