Fellaini left Everton for Manchester United in 2013.
Fellaini has fallen out of favour at Manchester United in recent weeks.
West Ham have been in terrible form this season as their poor start is threatening to spiral out of control.
The Belgian is reportedly wanted by West Ham, but another report suggests he's not on the radar.
West Ham United have been linked with Fellaini on loan, but Sunderland are also keen according to the Daily Mail.
West Ham United have been linked with a January loan for the Manchester United man.
Could West Ham United rescue Manchester United hate figure Marouane Fellaini from his Old Trafford nightmare with January move.
The Belgian was a star at Everton under Moyes' management.
The Norwegian made a joke at Fellaini's expense.