Alexis Sanchez all smiles during Arsenal training amid uncertainty over Chile star's future... as Shkodran Mustafi promises to give his all

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Alexis Sanchez was among the Arsenal stars taking part in training on Friday as the 27-year-old showed no signs that the uncertainty over his future is worrying him.

Arsene Wenger this week promised that the north London club would do the 'maximum' they can to keep Sanchez and Mesut Ozil.

Arsenal are desperate to tie the two down to new deals as both have just 18 months left on their current contracts. 

Alexis Sanchez was all smiles during Arsenal's training session on Friday

Wenger pictured giving instructions to Sanchez during the session at London Colney

Sanchez showed no signs that the uncertainty over his future is getting to him

Theo Walcott and Sanchez pictured during the training session on Friday

Mesut Ozil (left) is another whose contract situation is up in the air at Arsenal

With Sanchez on £130,000 a week and Ozil on £140,000, Arsenal will have to smash their wage structure to keep the two leading lights of Wenger's team.

Sanchez received instructions from Wenger during the session at London Colney on Friday ahead of their game against Stoke on Saturday.

Also training was Shkodran Mustafi, the 24-year-old defender who has promised fans that he will do his all for them.

'You have to respect the fans a lot,' Mustafi told Goal. 

'They're not earning the money we are earning and pay to come into the stadium, sometimes away trips, plus transport. 

Sanchez (centre) is on £130,000 a week at Arsenal while Ozil (left) is on £140,000

Ozil pictured shooting during the training session ahead of their game against Stoke

Arsenal defender Shkodran Mustafi has spoken about the club's supporters

'It shows you how much they love this club and you have to give them respect for that.

'What I can give them back is trying to give them everything back on the pitch. 

'As long as I work for the club that they love, I'm just going to give everything, so I'm happy with myself and make people happy.'