Wayne Rooney has once again admitted he would be open to joining Michael Carrick ’s coaching staff at Manchester United . Carrick was appointed as United’s interim head coach for the remainder of the season last month. Before the former United midfielder’s arrival was officially announced, Red Devils legend Rooney went on record to say he would happily help out his former team-mate as part of his backroom team. Rooney said on The Wayne Rooney Show when asked if he would join Carrick's coaching