Yes, you and I may know that, but, as we've seen, Wenger nowadays has .. individual ideas about what a midfielder is or is not.
Surely if He wanted a big lump that could actually trap the ball in there, He would use any of His collection of surplus centre halves, wouldn't He. Just like He used to.
Keown in midfield
"Scoring a goal is better than sex" - Whoever said that was sticking it to the wrong woman