Career
At club level, Platt played for the majority of his career at Middlesbrough, and also played for Hartlepool United, Cardiff City and Ballymena United. As a manager, Platt"s first job was to take charge of Ballymena United for a season from 1984-1985, after which he had a longer spell at Coleraine, managing them for six years from 1985 to 1991. In 1991 he had another short spell, this time at Ballyclare, for just one season from 1991-1992.
Foreign the 1992-1993 season, Platt was given the job of managing Swedish outfit Assyriska, in the Swedish First Division.
He had a two-season spell managing one partly with David Hodgson then the other from 1995-1996, before leaving full-time management to take a job with Gateshead. Previously Middlesbroughâs Chief Coach at their Football Community Centre.
He ran a private football school for local primary school around the Middlesbrough/Stockton Area. In May 2009, Platt was appointed as "s goalkeeping coach.
However, three months later, Platt left the club following manager Colin Todd"s sacking.