Barcelona are also tracking Benfica's highly-rated talent Umaro Embalo who Manchester United have already held talks over.
Atletico Madrid president Enrique Cerezo has refused to be drawn on renewed reports linking Antoine Griezmann with a summer move to Barcelona.
Willian has started in only eight of his 17 Premier League appearances but insists he is happy at Chelsea.
Fabinho does not expect to be sold by Monaco in January, although admits 2017-18 is set to be his final season at the Stade Louis II.
Mkhitaryan has been left out in the cold by Mourinho in recent weeks and is said to be of interest to Inter boss Luciano Spalletti.
Jose Mourinho is expected to make a number of changes to his Manchester United side when they take on West Brom on Sunday.
Manchester United manager Jose Mourinho says his other attacking options are more deserving of a first-team role than Henrikh Mkhitaryan.
Angel Gomes committed his future at Manchester United after the youngster put pen to paper to sign his first professional contract with the club.
Scott McTominay committed his future to Manchester United after signing a new four-year deal in October.
Dembele is believed to be courting interest from Chelsea, Manchester United and Everton, but the young Frenchman is keen to focus on his football.
Ozil, 29, is in the final six months of his Gunners contract, with talks over a new £235,000-a-week deal having ended in failure.
Bailly has missed United's last eight matches and has shown little improvement in his recovery so far.
United looking to bounce back after suffering defeat by Manchester City, while Bournemouth need a win to distance themselves from the bottom three.
United trail Manchester City by 11 points but Valencia insists they still believe they can overcome the gap.
Mourinho took offence at City's celebrations after their 2-1 win over United at Old Trafford on 10 December.
Chelsea star Willian has ruled out the possibility of leaving Stamford Bridge in January amid speculation linking him with Manchester United and Barcelona.
Amiri is noted for his versatility and is also capable of playing on the left wing if required and has scored four goals this season.
Manchester United striker Zlatan Ibrahimovic has labelled Manchester City boss Pep Guardiola immature over the way he handled himself at Barcelona.
Mesut Ozil and Arthur are linked with a move to Barcelona. The World Cup winner with Germany and Gremio starlet are also reportedly wanted by Manchester United.
Goals from David Silva and Nicolas Otamendi gave City a 2-1 win over United and extended their lead at the top of the table to 11 points.
Leon Bailey has scored five goals and assisted four in 13 games across all competitions for Bayer Leverkusen this season.
Mesut Ozil has been linked with a move to Manchester United and Barcelona as he nears the end of his Arsenal contract.