Should Catalonia become independent, Barcelona could end up playing outside La Liga and join another league instead.
Mesut Ozil and Alexis Sanchez have been heavily linked with a move out of the club.
Shkodran Mustafi is likely to miss a big chunk of games for Arsenal after suffering suspected torn ligaments during Germany's win over Azerbaijan.
Jack Wilshere is into the final year of his contract at Arsenal and Arsene Wenger suggests he must prove his fitness between now and December if he wants to have a future there.
Reports have suggested that former Bayern Munich manager Carlo Ancelotti is interested in succeeding Wenger.
Kolasinac has endeared himself to fans with his promising performances.
Giroud netted his 100th goal for the Gunners after scoring against BATE Borisov in the Europa League.
Jack Wilshere last appearance for England was during their humiliating 2-1 defeat at the hands of Iceland in the 2016 European Championships.
Francis Coquelin has already returned to first-team training, while reports suggest that Mesut Ozil and Danny Welbeck will do likewise next week.
Chilean will be allowed to leave the Emirates for free at the end of the season, with PSG and Manchester City vying for his signature.
Aaron Ramsey praised Alexandre Lacazette's all-round qualities as a striker following the Frenchman's strong start to his Arsenal career.
Former Chelsea defender Alex says his old teammate should consider leaving PSG in January - and sees Arsenal as his ideal next destination.
Mesut Ozil and Jose Mourinho have a wild history from their days together at Real Madrid but the manager is reportedly keen to bring the playmaker to Manchester United.
Anthony Martial drew comparisons with Thierry Henry when he joined Manchester United from AS Monaco in 2015.
Barcelona's out-of-favour defender Thomas Vermaelen has revealed that the La Liga giants blocked his departure during the summer transfer window.
Former Gunners stalwart says Ozil has "downed tools" and believes Arsene Wenger would be right to look to offload contract rebel in January.
Schalke 04 are reluctant to sell Barcelona and Bayern Munich target Leon Goretzka in January, even though they will lose him for free in the summer.
PSG midfielder Adrien Rabiot has expressed his desire to make a switch to the Premier League in the future. Arsenal have long maintained their interest in the France international.
Barcelona appear uncertain over Schalke's Leon Goretzka but Manchester United, Liverpool and Arsenal are among the sides interested in the 22-year-old.
Russian billionaire has dismissed reports over a £525m bid, insisting that his own lucrative offer for Kroenke's 67% shareholding remains valid.
PSG were interested in signing Alexandre Lacazette this summer, but the striker chose to join Arsenal in the Premier League.
Everton and West Ham are keeping tabs on Theo Walcott who has played only 46 minutes of Premier League football this season.