Mikel Arteta has several issues to deal with in his squad ahead of Arsenal’s trip to the San Siro. The Champions League returns for the Gunners on Wednesday night as Arsenal face Inter Milan at the iconic San Siro. It’s going to be an incredibly tough fixture for the North Londoners, who are seeking redemption after failing to record a win in their previous three Premier League games. In the Champions League, the last game was similarly unexciting, with a lacklustre attacking display seeing Arsenal’s clash with Shakhtar Donetsk end in a narrow 1-0 win. READ MORE: Mikel Arteta has still not lea…