Manchester United midfielder Michael Carrick will be out of action for about four weeks with a ruptured muscle.
The 33-year-old, who has made 14 appearances this season, has been ruled out until late February by manager Louis Van gal.
United's boss also says he will not be signing anyone before the transfer window closes on Monday.
"Every day I read that I am interested in players. I am not interested in players, only selling," he said.
Michal suffered ankle ligament damage in July that ruled him out until November, then picked up a minor groin injury shortly after his comeback.
Van Gaal, though, says that winger Ashley Young is getting closer to full fitness
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