Laurent Koscielny is delighted to be back in action for Arsenal.

The France international, who had been troubled by a calf problem, hopes with full-back Mathieu Debuchy also now match fit again, Arsenal can build on solid foundations.

"At the back (against West Ham) we needed to be focused on our job and I think we did well," Koscielny said on Arsenal Player.

"Now the players who have been injured are coming back, so it is good for the team when you have all the players with you and fit.

"We have a bigger squad, so I hope we will not have a lot of injuries in 2015 and we can finish this season well."

With forward Olivier Giroud still suspended, Wenger could well look to give Theo Walcott a much-needed run-out against his old club following his groin injury.

Wenger said: "I judge him a bit short on the competition front, but on the fitness front he is ready to play."