Jack Collison"s knee complaints could affect whole career – Sam Allardyce

Allardyce fears youngster Collison's knee complaints could stretch across career

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UPDATED:

21:38 GMT, 21 September 2012

Jack Collison could always be dogged by a knee problem following his efforts in getting West Ham back into the Premier League.

The midfielder, 23, has not kicked a ball this season and manager Sam Allardyce said: ‘That knee unfortunately is never going to be 100 per cent so he has to do a management job. He is paying the price for his efforts last season.

'An operation would make it better but it would never recover 100 per cent. I hope it doesn’t get to that.’

Worry: Jack Collison might suffer knee trouble throughout his career

Worry: Jack Collison might suffer knee trouble throughout his career