Mertesacker signs one-year extensionpublished at 12:07 Greenwich Mean Time 19 January 2017
Arsenal defender Per Mertesacker, who is yet to play this season because of injury, signs a one-year contract extension.
Read MoreFirst-half goals ease Arsenal to victory
Sanchez punishes Cahill error for Gunners' first
Walcott finishes sublime move for the second
Ozil volleys in the third from Sanchez cross
Tom Rostance
Arsenal defender Per Mertesacker, who is yet to play this season because of injury, signs a one-year contract extension.
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Chelsea boss Antonio Conte explains the absence of Diego Costa and says he does not know anything about a bid from China for the striker.
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