Timber, Saka, Tomiyasu - Arsenal injury news and return dates for Chelsea

Mikel Arteta's biggest challenge with his Arsenal squad remains the fitness and sharpness of his players in the final four weeks of the season. As the Gunners prepare to take on Chelsea at the Emirates Stadium, the head coach is tasked with getting his team ready for a fourth game in 10 days.

After the physical and emotional demands of three huge games last week, Arsenal now welcome Mauricio Pochettino's dangerous Blues to the Emirates Stadium with player burnout remaining a possibility. «When I saw them this morning I have to stop them because winning is a big boost of energy,» Arteta said before the match when asked about his players entering the 'red zone.'

«After the performance against Wolves and winning, they have a London derby tomorrow and everybody is ready for it. Something else is the volume of the games but now is not the moment to look at this. It is just to think in a positive way, to think and feel that we are fresh.»

The manager has very little to immediately worry about with his squad after fitness issues soften at a key time though. Here, football.london has the latest from the Arsenal treatment room.

Watch as Jurrien Timber scores stunning goal on Arsenal U21s return

Latest Arsenal injury news for Chelsea with key player to miss out and Bukayo Saka worry explained

The 22-year-old started his first game for eight months in a 2-2 draw for the Under-21 side away to Blackburn Rovers in the Premier League 2 on Monday night. He announced his return to the field with a stunning goal after just eight minutes.

Timber has been out of the team since August after picking up a damaging Anterior Cruciate Ligament injury on the opening day of the season against Nottingham Forest. Arteta has described playing with the