Aaron Ramsey could return for Arsenal in Wednesday's Carabao Cup semi-final second-leg tie against Chelsea after illness, but Nacho Monreal looks likely to miss out.
West Bromwich Albion face the risk of losing club captain Jonny Evans for just £3m if they get relegated this season with Arsenal and Manchester City interested in the defender.
The defending Europa League champions generated total revenue of €676m (£581m) in the 2016/17 season.
Arsenal are keen to terminate Kelechi Nwakali's loan deal with VVV Venlo and send him on a temporary basis to Dutch second-tier club Maastricht.
Alexis Sanchez became Manchester United's first signing of the January transfer window. The Chilean international has been handed the iconic No 7 shirt at Old Trafford.
Arsenal remain confident of completing the signing of Pierre-Emerick Aubameyang despite Dortmund's demands that they sign a replacement before sanctioning a move.
With Kylian Mbappe, Neymar, Edinson Cavani, Angel Di Maria and Julian Draxler ahead of him in the pecking order at the Parc des Princes, Lucas has set his sights on pastures new.
Bailey joined Leverkusen from Belgian outfit Genk for £12.8m last January and has impressed since being given a sustained run at the BayArena.
Sanchez has signed a four-and-a-half year contract at Old Trafford worth reportedly around £500,000-a-week while Mkhitaryan has penned a long-term contract with Wenger's side.
Gus Poyet claims that guarantees over the future of Arsenal and Tottenham target Malcom were the first thing he sought while interviewing for the vacant manager's job at Bordeaux.
Arsenal were reported to be keen on the 22-year-old to fill the void left by Alexis Sanchez's departure, who is on his way to Manchester United.
Kepa Arrizabalaga has put an end to speculation linking him with Real Madrid by signing a new deal at Athletic Club Bilbao until 2025.
Sanchez had entered the final six months of his contract and refused to sign an extension as the Gunners were unable to meet his monetary demands.
Arsenal are closing in on a £53m move for Pierre-Emerick Aubameyang as club officials arrived in Germany to negotiate a deal with Borussia Dortmund.
Mauricio Pochettino has played down speculation of a move to Tottenham for Bordeaux forward Malcom but reiterated that the club remain open to new arrivals this month.
He has made 23 appearances in all competitions for Bordeaux, scoring seven goals and providing six assists.
Arsenal forward Sanchez, 29, is scheduled to undergo a medical on 21 January ahead of his move to Manchester.
Thomas Lemar only has eyes on a move to Barcelona in the summer as Liverpool and Arsenal remain interested in the Monaco man.
Arsenal made a bid to sign Aubameyang while the transfers including Sanchez and Mkhitaryan are on the verge of being completed.
Arsenal and Manchester United have agreed a swap deal with Alexis Sanchez and Henrikh Mkhitaryan that will not include any fee.
Arsene Wenger has confirmed that Alexis Sanchez's proposed move to Manchester United could be completed in the next 48 hours.
Arsenal score all of their goals in the first 22 minutes of a 4-1 defeat of Crystal Palace, while Manchester United hang on to win at Turf Moor thanks to Anthony Martial's strike.