Wenger doesn't know when will retire

Arsene Wenger said the he will retire from his carer when he lose his desire for win. The 58 years old Frenchman said on Fridays press conference that he wants to stay in Arsenal London for another 20 years. We all hope that Arsene Wenger will stay at the club as long as he can, because he prove everyday that he is one of the best managers all over the world.