"We live in the world where people have opinions and sometimes they are right and sometimes they are not always proven right on the longer period". We were 33/1 rank outsiders to win the league that year.
Wenger will also decide late on whether or not to field Alexis Sanchez, who will in midweek global action too, while Shkodran Mustafi has already been ruled out, and question marks remain over the fitness of Saed Kolasniac and Laurent Koscielny.
"I would say you have in every generation a player who carries the pressure of expectation of a nation", Wenger told reporters during Friday's press conference.More news: Google Wallpapers brings Pixel 2 Wallpaper and Three New Categories
Merson played under Wenger during the Frenchman's first season in North London and under Redknapp at Portsmouth in 2003.
He said: "If the competition was less ferocious, he is ready to play".
"But I believe to play at the top level as well, it is part of dealing with that kind of disappointment". I thought 'what have I done coming here - this is going to be embarrassing'. "He is almost back to his best now".
Wenger added, however, that Wilshere would never be able to reduce his intensity. "You can not ask a guy not to go into any contact", Wenger said. His strength is to turn the game forward and have acceleration individually or with the ball.
"Our chairman Steve Williams has been really working hard to raise funds for a new 4G pitch, stand and academy for the kids, so I am hopeful with the help of people like Paul, we can raise the profile a lot".