Alexis Sanchez is frustrated at Arsenal and the Gunners could now struggle to extend the Chileanβs contract, according to The Daily Telegraph.
The report claims that the forward stormed out of the stadium after he was substituted in last Saturdayβs victory over Norwich City, while Arsene Wenger was unhappy with the playerβs reaction and there has been tension between the pair in training this week.
It is also claimed that Sanchezβs conduct is not supported by some of his Arsenal team-mates.
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The 27-year-oldβs current deal with the Gunners expires in 2018.

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