<>BERLIN, Jan 16 (Reuters) - Bayern Munich and Germany midfielder Sebastian Deisler is retiring from football at the age of 27.
<>Deisler, who missed last year\'s World Cup with the latest in a long series of injuries, announced the decision at a news conference held by Bayern on Tuesday.
<>\"I no longer have any real faith in my knee,\" the player said. \"In the long run it\'s been an ordeal.\"
<>Deisler was once widely seen as being the next great German player but fitness and psychological problems meant he was unable to fulfil his promise. </P>