The Ghana international has yet to feature this season due to an ankle injury but is in contention to start against Norwich on Saturday
Mikel Arteta has challenged Thomas Partey to make himself 'the boss' of Arsenal's midfield.
And manager Arteta says the 28-year-old - who has struggled with a series of fitness issues since Arsenal signed him from Atletico Madrid for £45 million ($58m) last summer - must now show why the Gunners invested so heavily to bring him in from Spain.