Former Manchester United teammate Ravel Morrison has signed for Wayne Rooney's Derby County.

Morrison signed a one-year contract ahead of the Championship opener at Pride Park against Huddersfield Town after spending a period on trial at the club.

It is Rooney's fourth signing in two days as he scrambles to sign players on short-term deals after a summer under a transfer embargo.

Morrison, 28, left Manchester United in 2012 for a career which has promised far more than it has ever delivered.

His last club was Den Haag in Holland. Derby will be his ninth club in English football.