Alexis Sanchez rejects "unhappy"reports by posting a picture of himself in arsenal shirt in his first tweet..

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In addition, the Gunners' captain Mikel Arteta has said that Sanchez "feels comfortable" at the Premier League club.

"It's a different culture and language for him so he doesn’t necessarily understand what we are saying at some times but he wants to play football and I think he feels comfortable as well," Arteta toldarsenal.com.
The many (animated) faces of Alexis Sanchez

Arsenal face newly-promoted Burnley at the Emirates Stadium on Saturday.