Sir Alex Ferguson is still unsure if he will hand Nemanja Vidic a return to the Manchester United side for Saturday's contest with Liverpool.
Vidic has been missing for the Barclays Premier League champions since he sustained a calf injury during the draw against West Brom on the opening game of the season.
The United captain, however, made a comeback in midweek when he started for Serbia against Slovenia in a Euro 2012 qualifier.
Ferguson, though, is may hold the 29-year-old back for another week due to the emotional and physical nature of the weekend's encounter at Anfield.
"The big question mark is whether Vidic is ready," Ferguson said in his pre-match press conference.
"He has his first game for Serbia on Tuesday. It’s certainly a consideration because he’s such a great competitor.
"He came in yesterday and felt okay.
"But the Liverpool game is such an intense, stamina-draining game that you want everyone to be 100 per cent so it might be more down to how he feels himself."
Jonny Evans could deputise for the Vidic against Liverpool after earning the praise of his manager.
Ferguson added: "Jonny Evans’s form has been absolutely brilliant so I don’t have any real concerns about who I play because they’re all playing well."
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