Mario Gotze to put himself in shop window for Arsenal, Man Utd this week
New Gunners defender Per Mertesacker gushed: "Dortmund have formed a great team over the last two years. Gotze is one of the greatest players and a great one for the future.
"All the fans sing his name every time he plays. We will have to defend well to stop him."
It's the home stretch! 24/7 click for the best coverage of Arsenal's final transfer market moves