Karl Kevin Marginson, is an English football manager and former player, who played in the Football League for Rotherham United, and since 2005, he has been the manager of F.C. United of Manchester, a semi-professional football club based in Moston, Manchester, in which UK country? 
F.C. United of Manchester: F.C. United of Manchester is a semi-professional football club based in Moston, Manchester, England.
i don't know