Per Mertesacker Reveals How 'Genius' Mesut Ozil Left Him 'Really Pissed' for Weeks at a Time

Former Arsenal centre back Per Mertesacker has explained that his compatriot Mesut Özil would leave him feeling 'really pissed' during their spell together in north London.

Mertesacker, who has taken over Arsenal's academy since retiring, joined Arsenal in 2011 and went on to make 221 appearances for the Gunners - more than for any other club in his career.

He welcomed Real Madrid star Özil to the club two years after he joined, and ahead of the release of his new book, Mertesacker explained that his former international teammate's laid back attitude took some getting used to.

"First of all he loves playing football. It doesn’t come across so often," Mertesacker said, quoted by The Mirror. "He…