Alexis Sanchez celebrates his hat-trick. Photo: Reuters Alexis Sanchez celebrates his hat-trick. Photo: Reuters
Alexis Sanchez celebrates his hat-trick. Photo: Reuters

Hat-trick hero Alexis Sanchez key to Arsenal’s Champions League hopes, says Theo Walcott

Chilean getting back to his best after slow start to the season as Londoners take on Olympiakos

Topic |   Uefa Champions League 2015-16
Alexis Sanchez celebrates his hat-trick. Photo: Reuters Alexis Sanchez celebrates his hat-trick. Photo: Reuters
Alexis Sanchez celebrates his hat-trick. Photo: Reuters
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