Barton suffered the injury in pre-season and the ex-Manchester City player has yet to make his competitive debut for United.
Barton On The Road Back
Sam Allardyce: "We have just heard that Joey Barton has got the all-clear to complete the long process of recovering from his metatarsal injury from the specialist, and this will speed up his return."
Barton cost £5.8m and many think the injury ruined his chances of being named club skipper, an honour Geremi currently holds.