He is a former footballer whose clubs included Fulham, Queens Park Rangers (for whom he appeared as a substitute in the 1986 League Cup Final), Bristol City and West Ham United.
Rosenior has managed clubs including Gloucester City, Merthyr Tydfil, Torquay United, Brentford and was assistant to Gary Peters at Shrewsbury Town.
He started at Fulham, also playing for Queens Park Rangers, West Ham United, Charlton Athletic, Bristol City and Fleet Town.
[3] In total he gained one cap for Sierra Leone, it came in the form of a 1994 African Nations Cup qualifying game versus Togo in Conakry on 9 January 1993.
[5] Rosenior returned to non-league, managing Merthyr Tydfil before moving to Torquay United from July 2002 to January 2006, when he left the club by mutual consent after a 3–1 home defeat to Rochdale.
Player Individual Manager Torquay United Rosenior works as a presenter and pundit on G-Sports, an African Pay-Per-View channel, and for the BBC's coverage of the 2008 Africa Cup of Nations.