Arsenal signing Per Mertesacker admits their thrashing at Manchester United left him angry.

The former Werder Bremen captain join the Gunners this week.

He said: "I watched that game and I wasn't too delighted.

"When I was young and visited England with my auntie, as somebody who was football crazy, I simply had to come back with a shirt.

"I can't remember why, but I came back with an Arsenal shirt and my brother had a Manchester United one.

"This affinity has grown over more than 10 years and now the loop closes because I am delighted to finally get to play at a team I always supported and where I always wanted to appear eventually."