It's been posted before that he cannot play for any club at any level for at least another 12 months because Rushden still hold his registration despite sacking him.
Quote:
On 12 December, Rushden & Diamonds confirmed that Knight had been sacked after continuous breachs of conduct between November and December 2008. Despite the contract termination, Knight was prevented from joining another club, until the term of his contract had expired. Rushden have...