Fellaini has been the subject of speculation since the close of the last transfer window, there are several clubs who are supposed to be interested in his services.
But the Daily Mirror reports that its United who are seen as favourites, if there is any such thing at the moment, to make a move.
Fellaini would indeed fit in well at Old Trafford as he can play as a defensive midfielder just as well as an attacking one, plus he has fantastic aerial ability.