Career
He later spent a season as player-manager of Scarborough. Boyle was spotted playing for the Bullcroft Colliery team and signed for in 1921. He left the Blades in 1929 after making over 140 appearances and scoring 40 goals.
Boyle signed for Manchester United for £2,000, but failed to settle and spent only one relatively unproductive season at Old Trafford in which he made just 17 starts.
He was registered as a player by Macclesfield Town in May 1930 but by July of the same year had left for Northampton Town where he spent a successful five seasons, starting over 140 games for the Cobblers. In 1935, Boyle was appointed player-manager of non-league Scarborough where he spent a reasonably successful season before retiring.
After leaving Scarborough, Boyle became the licensee of the Plough Inn in nearby Scalby, North Yorkshire.