Mata was sold by Mourinho to United during his second managerial spell at Chelsea.
Arsene Wenger has decided to rest Theo Walcott and Hector Bellerin for the game in Bulgaria.
Premier League giants previously signed current Norwich star Sergi Canos from La Masia in 2013.
The Frenchman has failed to score a goal or provide an assist for his new club.
Bacary Sagna and Pablo Zabaleta remain on the sidelines.
Phil Thompson believes Brazilian's agent has been busy amid interest from overseas.
Manchester City's Sergio Aguero would be enough to deliver a first championship since 2004.
Everton boss reiterates interest in acquiring the out-of-favour England captain.
Welshman has signed a new deal until 2022.
Antoine Griezmann and Gareth Bale would both be worthier recipients of award.
Armenian has barely featured for United since his big-money summer move.
Ronaldo has previously won the coveted award three times.
Luiz rejoined the Blues from Paris Saint-Germain during the summer transfer window.
Portuguese centre-back faces injury race to return for Barcelona clash.
Gerard Pique, Jordi Alba, Andres Iniesta, Jeremy Mathieu and Aleix Vidal remain on the sidelines.
Arsenal will have one eye on the north London derby when they travel to Bulgaria to take on Ludogorets in the Champions League.
Anfield outfit has not won the league title since 1990.
Antonio Valencia suffered the injury during United's win over City in the EFL Cup.
Messi is preparing to face Guardiola's Manchester City in the Champions League.
Premier League leaders out to avenge 4-0 defeat in the reverse fixture at Camp Nou.
Ramsey returned to the first-team after over two months during Arsenal's win over Sunderland.
Ibrahimovic, 35, has failed to score in his last six Premier League appearances.
Raiola helped to engineer Pogba's return to Old Trafford over the summer.
The Stamford Bridge club won thanks to Eden Hazard and their Spanish striker.
Bale, 27, has been a huge success since joining the Spanish club in 2013.
Italian manager expects Blues to be in the running for the league title this season.
Jose Mourinho is already facing a charge for his comments over referee Anthony Taylor.
Arsenal are unbeaten in nine games in the league.
Boss left frustrated with the 1-1 draw against Leicester City.
Southampton can move above Manchester United with a win over Chelsea.