Racing PositionsWenger back in dugout for Mertesacker's tearful farewell game6YESPNWenger's sad farewell players' fault - Mertesacker6YMattias KarenArsenal's Mertesacker thankful for send-off7YMattias KarenWenger has a lot left to give - Mertesacker7YPA SportMatthaus: Mertesacker could have quit7YStephan UersfeldMertesacker prefers bench over playing7YPA SportMertesacker slams Arsenal after loss7YMattias KarenChambers, Debuchy culpable vs. Cologne7YTom AdamsWenger lauds goal-hero Mustafi's leadership7YPA SportWilshere working on his coaching badges7YMattias Karen