Per Mertesacker is the latest Arsenal defender to be ruled out of the club's tour of America and could be set to face five months on the sidelines as a result of a recently sustained knee injury. The Sun use the report of El Confidential's journalist Kike Marin to state that Mertesacker could remain out of action until the beginning of the new year. Mertesacker did participate in last week's friendly against Lens, but will not travel with the rest of Arsene Wenger's squad to the United...
Source: 90min.com