Arsenal return to action on Sunday after having seen two of their games postponed as a mark of respect to Her Majesty Queen Elizabeth II following her death.
The Gunners' Premier League game against Everton last weekend and their Europa League game against PSV on Thursday were postponed.
Mikel Arteta's side will face Brentford on Sunday, September 18 in an away Premier League game.
Ahead of the game, Gabriel Martinelli has taken to Twitter to send a message.
He wrote: "Fully focused on Sunday."