Arsenal manager Unai Emery is concerned about the fitness of key players ahead of a Europa League clash against Sporting Lisbon.

Emery is sweating on the condition of Nacho Monreal, Saed Kolasinac and Sokratis ahead of the game.

Monreal has a tight hamstring that lead to him missing the Leicester game, while Kolasinac did not play either. Sokratis is recovering from an ankle injury he sustained playing for Greece against Finland.

"Yesterday was a very bad day for our injuries because we lost two in the same position like Sead Kolasinac and Nacho Monreal," Emery told the press after the Leicester win.

"They were in training with a small problem, but we did the group for today with both but this morning the news is they are not good to play.

"We had another player to help us like Lichtsteiner today and Xhaka - he played 30 minutes at left-back - but for us, for our balance it's better Nacho or Sead are OK to play in this position and we are going to look at how they are for the next matches, but I hope they can play on Thursday or shortly afterwards

"Sokratis, he trained yesterday. I think he can stay for Thursday and we are going to look because now with a lot of matches in a few days it's important the players get the good preparation.

"To give them moments to rest and to prepare for the matches."