Arsenal boss Arsene Wenger has conceded that he's concerned by 'hyperactive' Alexis Sanchez's rush to get back to full match fitness.
The Chilean international spent the summer away with his country at the Copa America and wasn't fully fit to start for the Gunners' in their opening day 2-0 defeat against West Ham, having to make do with a late cameo appearance instead.
Despite missing some of pre-season because of his exertions with Chile, Sanchez was filmed performing sprints on a beach in an attempt to come back to Arsenal as fit as possible, while he also trained on the Emirates pitch after the West Ham game in an attempt to speed up his return.
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Wenger believes that every player should show the same work-rate as Sanchez, but the Arsenal boss did concede he is concerned that the former Barcelona man's enthusiasm may come back to haunt him.
“I am a bit worried about him coming back too quickly," the Frenchman said. "But on the other hand I knew before the start that once he is here, he would be difficult to stop.
“He practised for two weeks before he came back — he did not start from zero. He works extremely hard in every single training session to show that he is ready.
“What he does is, for me, normal. It is what everybody should do. You wonder if he has created a beach at home, and runs along the living room. He is a hyperactive guy. He needs that to be happy.”
Arsenal will be looking to bounce back from their defeat against the Hammers when they go up against Crystal Palace this weekend. Jack Wilshere is making a quick recovery from his ankle injury but is still a few weeks away from full fitness while Danny Welbeck is still out. Sanchez should start.