The Baggies has lost its last two games but is still lying in fifth spot in the Barclays Premier League.
Clarke could lose striker
But head coach Clarke has already spoken with Albion sporting and technical director
He said: "There's a possibility we lose a couple of players to the African Nations Cup, we could lose players to injury, but when we get closer to the end of the month we'll start to make decisions.
"I haven't really discussed with the chairman (
"He's the buffer. We have spoken about what we might need to do in January.
"If the chairman, Dan and I decide we need to strengthen the squad then we can do that. Is there money there? Yes I think it is."
Clarke insists his faith in his entire squad is unaffected despite a much changed line-up being beaten 1-0 at home by Stoke City on Saturday.
He left out the likes of Odemwingie, Romelu Lukaku,
Clarke said: "I can't keep saying I've got a good squad then pick the same players every week.
"Then I become a liar. I can't tell the players I trust them all the same and then not do that."
English Premier League
David Moyes has admitted he takes full responsibility for Manchester United's current troubles.