Alexis Sanchez has experienced a "traumatic, very tortuous year", according to Chile boss Reinaldo Rueda.
Manchester United sent Sanchez on loan to Inter for the 2019-20 season but he made just nine appearances for the club before the coronavirus pandemic brought the campaign to a halt.
After suffering an injury while representing Chile at last year's Copa America, he had to undergo surgery in October due to an ankle problem sustained in a friendly against Colombia.
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Rueda believes Sanchez's difficulties can be traced back to his move to United in January 2018 in a swap deal that saw Henrikh Mkhitaryan join Arsenal.