Mikel Arteta is looking for Thomas Partey to put his injury issues at Arsenal behind him and prove why the Gunners invested £45 million ($62m) in his undoubted ability.
A big-money deal for the Ghana international midfielder was put in place during the summer of 2020, with a move to the Premier League that had been mooted for some time eventually pushed through.
Atletico Madrid were reluctant sellers, with those at Emirates Stadium of the opinion that they had pulled off quite a coup, but struggles for form and fitness have been endured by a combative 27-year-old.