He is expected to return from an Achilles problem on that day or New Yearsâ€™ Day.
"Michael has been outside on the grass so thatâ€™s good," said United manager David Moyes.
"If this period is a test of our squad it is certainly going to be a test of every other team in the Premier League because I would think that we have the biggest squad, arguably the strongest squad.
"Weâ€™ve got a squad which is capable of coping. We could nearly change 11 players every game should we need to because we have that depth. Weâ€™ve lost key players and big players so weâ€™ve got to make sure we can cope."