After his first training session, Mesut Ozil was introduced to the media on Thursday. His late introduction is partly because of his international duties, which also made the transfer on deadline day more complicated.
The 24-year-old joined the Gunners for £42.4million, becoming the most expensive German footballer, and Arsenal's record signing.
Ozil scored from the spot in Germany's 3-0 win against the Faroe Islands, and also had one assist to his name. He is expected to make his debut at the Stadium of Light this Saturday, possibly from the bench, due to a lack of training with his Arsenal companions.
Ozil is confident of Arsenal's title chances, despite their opening day defeat against Aston Villa. They did however follow this up with two wins over Fenerbahce, a 3-1 victory over Fulham, and triumphing in the North London derby.
Asked if Arsenal can challenge for the title, he said: "Of course, definitely. I know the team and the talent we have here. Every player wants to be successful and Arsenal are one of the biggest clubs in the world.
"We definitely want to achieve something with this team - that is what we work for. Of course it will be very difficult because the league is the strongest in the world. But we will give everything to achieve success.
"We want to play attractive football to improve but of course also successful football. I can't promise to win trophies but I can promise as a team we can give our all to in trophies."
Ozil said that he consulted his international teammates, Lukas Podolski and Per Mertesacker, about the club -, but his central reason for signing for the Gunners was Arsene Wenger.
"Arsenal is a very well-known club, a very successful club with very young players, and the young players develop very well here," Ozil said.
"This was one of the reasons why I chose to come here, I want to continue to improve myself.
"I am really happy to be here under such a great manager.
"That was most important for us, what he (Wenger) thinks about me, what his plans are with me. I decided to come to Arsenal because I have the trust in this familiar environment."
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