During the 1980–81 season, Courtney played at prop in Warrington's 26-10 victory over Wigan in the 1980 Lancashire Cup Final at Knowsley Road, St. Helens, on Saturday 4 October 1980, and played at prop in Warrington's 12-5 victory over Barrow in the 1980–81 John Player Trophy Final at Central Park, Wigan on Saturday 24 January 1981.
[citation needed] Courtney played at prop in the 16-0 victory over St. Helens in the 1982 Lancashire Cup Final during the 1982–83 season at Central Park, Wigan on Saturday 23 October 1982.
In December 1985, Courtney was taken to hospital after dislocating his shoulder in a training accident.
The dislocation had caused internal bleeding, requiring an emergency operation.
[6] Courtney won one cap for Great Britain while at Warrington in 1982, appearing as a substitute against Australia in the Third Test of the 1982 Kangaroo Tour.