Arsenal return to Premier League action on Saturday and will look to pick up all three points when Sunderland visit the Emirates Stadium.
A victory would be huge for the Gunners as they look to win the Premier League title, but they have fresh injury concerns.
Arsenal had an open training session this morning, and Jurrien Timber, Bukayo Saka and Martin Odegaard were not involved, according to Sky Sports.
Saka missed the game against Chelsea on Tuesday due to a knock he picked up shortly before kick-off against Leeds United last weekend.
Timber played the whole game in midweek, but Odegaard was left out of the squad as a precaution. The Norwegian featured against Leeds, coming off the bench to play 29 minutes.
Arsenal need their key players against Sunderland, and manager Mikel Arteta will be hoping for some good news on the fitness of the aforementioned trio.
He admitted that Odegaard felt a niggle during the Leeds game and felt uncomfortable on Monday. The Arsenal captain will be desperate to be available for this weekend.
The Gunners visit Brentford next Thursday for their next league game, before hosting third-tier strugglers Wigan Athletic in the FA Cup fourth round the following weekend.
A trip to Wolverhampton Wanderers follows on February 18 before they take on Tottenham Hotspur four days later.
