United have won only two of their last seven games.
Former head of analytics and technical director Michael Edwards was confirmed in his new role on Friday.
Shkodran Mustafi joined Arsenal from Valencia in August.
Matteo Darmian has made just one appearance in the Premier League thus far this season.
Barcelona trio Andres Iniesta, Gerard Pique and Jordi Alba are out due to injury.
Spanish defender appeared to come through training session after muscle injury.
Catalans are ready to give up on the Arsenal star as they believe he will sign a new deal with the Gunners.
Allegations of a forged bank letter continue to hang over the club as playing duties resume.
Toure's agent Dimitri Seluk previously criticised Guardiola's decision-making.
The Swede grabbed the Danish defender by the throat during the Europa League game.
Boss says winger has the ability to make something special happen.
Xhaka, 24, has been sent off twice from club and country this season.
The Frenchman has been dropped by his national team boss Didier Deschamps.
Hector Bellerin missed the clash against Ludogorets after a minor incident in training.
Belgian failed to secure a place in Mourinho's side at Chelsea.
United slumped to a 2-1 defeat against Fenerbahce in the Europa League on 3 November.
Wright has questioned Jose Mourinho's decision to play Marcus Rashford on the wings.
Dembele sustained an ankle injury during Tottenham's Champions League defeat to Bayer Leverkusen.
£89m midfielder limped out of 2-1 loss in Istanbul and is now likely to miss Sunday's trip to Swansea.
United are third in the group table with six points, one behind leaders Fenerbahce.
Dundalk fall to Zenit and Aritz Aduriz sets new scoring record on a busy matchday four of the Europa League.
Gambians make up the fourth-largest group of arrivals to Italy according to the Institute of Migration.
Moussa Sow and Jeremain Lens both net great goals as Jose Mourinho's side slump to poor defeat in Istanbul.
Under-21 coach Michael Beale impressed by the 19-year-old, who scored against FC Porto.
Everton boss once again clashes publicly with Martin O'Neill over fitness of key midfielder.
Former Manchester United and Spurs striker wants to return to the Premier League.
Wales boss Chris Coleman is delighted Bale has committed to Real until 2022.
Los Blancos surrendered a two-goal lead against the Polish side.
New Zealand skipper could reportedly be sidelined for between three and five weeks.
Defender previously ruled out until mid-December.