Arsenal boss Arsene Wenger knows he's managing some unhappy players.

The likes of Olivier Giroud, Theo Walcott and Jack Wilshere have had to settle for a role in the Europa League this season with all three admitting frustration at being unable to break into Wenger's Premier League side.

"It's difficult to keep everybody happy," Wenger admitted.

"But on the other hand we are all here to win games for Arsenal Football Club and everybody has their moment to come in the side.

"I must say as well, at the moment I am impressed but the quality of behaviour from everybody. Everybody is focused and determined to do well and so I am quite impressed on that front."