 Complete the following phrase:  Born in Accrington, Lancashire, Duxbury began his career as a right back with Everton, but he signed for Manchester United as a schoolboy in 1975. He signed trainee forms in July 1976, and then went professional three months later. Duxbury made his Manchester United debut on 23 August 1980, coming on as a substitute for Kevin Moran against Birmingham City. Duxbury became a semi-regular in the first team over the next couple of seasons, although  due to the form of first-choice full backs John Gidman and Arthur Albiston  he spent most of his time playing at centre back; it was not until towards the end of the 198182 season that Duxbury began to play in his favoured right back position. The following season, he won his first FA Cup medal with Manchester United, playing in both matches of the 