Club career: Started out with Western Rovers and Cork Athletic before moving to West Ham in September 1952. After six years at Upton Park, Matt Busby brought him to Manchester United (for a then record fee for a full back, £29,500), where he was captain for five of his seven seasons with the club.
Managerial career: Replaced Jimmy Hill as manager of Coventry City in 1967, guiding them to a sixth place finish in Division One (and a place in Europe) in the 1969-70 season. Had two spells in charge of Peterborough United (72-77 and 86-89), in between managing the New England Tea Men and the Jacksonville Tea Men (77-82) in the North America Soccer League.
International career: Won 36 caps between 1953 and '67. Often played as a centre forward for Ireland and scored 14 goals. Also represented Ireland in cricket.
Highlight: Captained Manchester United to victory in the 1963 FA Cup final (3-1 v Leicester), the club's first honour since the Munich disaster.
Where is he now? Cantwell, now 66, runs The New Inn pub in Peterborough.