Arsenal midfielder Mesut Ozil has said he is enjoying "the strongest season I have ever played."
Ozil, who joined the Gunners from Real Madrid in a £42.5 million deal in 2013, has already notched up 12 Premier League assists this season.
The Germany international, 27, has also been praised by manager Arsene Wenger for adding goals to his game.
He said: "This season is the strongest season I've played. I'm in a good way and playing really well.
"The main thing is that you stay healthy, stay fit. I believe in myself.
"This season has been really good with the number of assists I have, but the most important thing is that we play well as a team and we have to try to stay at the top."
Arsenal are second in the Premier League table, two points behind surprise leaders Leicester, after their 3-1 win over Sunderland at the Emirates on Saturday.
They can progress to the knockout stages of the Champions League at Olympiakos on Wednesday -- but Ozil warned that would be tough.
"Olympiakos can play good football, and we saw that at the Emirates when they beat us 3-2," he said.
"We must really give everything so that we can get through to the next round."