Arsenal manager Arsene Wenger has revealed that the Gunners players were full of disappointment following the home defeat against Olympiakos.
The Gunners lost their crucial Champions League game 3-2 to the Greek champions and now stand at the brink of elimination in the premier European club competition's group stage.
Wenger said after the game: "We played four away games before tonight.
"We played Zagreb, Chelsea, Tottenham and then Leicester. Tonight is the first game at home.
"We are disappointed. Are you surprised? A disappointment is enough."