Knight began his career as a trainee at
Chelsea (where he made one appearance in the
UEFA Cup against
Levski Sofia), During his spell at Huddersfield, he reignited the Terriers' play-off push and formed an unlikely partnership with local hero
Andy Booth, earning himself the nickname 'Neon Light'. After a short spell on loan with
Barnsley, he joined
Milton Keynes Dons in January 2007. On 19 August 2008, Knight's contract was "terminated by mutual consent", after he scored five goals in 20 appearances during his short stay with Wycombe. but was transfer listed on 29 October, along with
Lee Tomlin,
Curtis Woodhouse,
Andy Burgess,
Phil Gulliver,
Sagi Burton,
Lee Phillips and
Dean McDonald, after the club's poor start to the season. On 12 December, Rushden & Diamonds confirmed that Knight had been sacked after continual breaches of conduct between November and December 2008. Despite his contract having been terminated, Rushden & Diamonds retained the player's registration, preventing Knight from joining another English club until the term of his contract had expired, unless £30,000 in compensation was paid to the club. Knight was later released by Hamilton on 14 January 2010. The next day, Knight joined
Dumfries club
Queen of the South until the end of the season. He made his debut in a 1–1 draw with
Dundee on 23 January. but his transfer was blocked by previous club Rushden, who had held onto his registration and demanded £30,000 for the deal to be completed. Knight responded by criticising Rushden & Diamonds on his
Twitter account, saying that he has chosen not to buy-out his contract as a matter of principle. "Rushden have said they don't want the money from Darlington, they want it from me – I refuse to pay them out of principle. If I wanted I could raise the money and pay them but I don't want to give them the satisfaction." The following month, Knight elected to continue his career outside England by signing for Northern Irish side
Coleraine. He scored twice on his debut in a 2–1 win away to
Glenavon on 16 October 2010. and finished the 2010–11 season with 15 goals from 25 matches. Two weeks later, Knight was transfer-listed and suspended by Coleraine for failing to appear for training and matches. He also breached club rules by stating his desire to return to England and play for another
IFA Premiership club. However, a fortnight later, Knight signed a new two-year contract with the club. "I said things about wanting to leave and at the time I felt it was right for me, but things change," he said. "I've spoken at great length with the manager over the last three or four days and I came back to him wanting to work something out. Agreeing a new two-year deal shows my commitment to the club and that I'm eager to put the last few weeks behind me." In January 2012 however, Coleraine asked Knight to either live in Northern Ireland or pay his own travel costs, as he was still living in London and had to travel over to Northern Ireland for each game, which was costing Coleraine £1,000–£1,500 per month. An agreement could not be reached, and Knight joined Glentoran on 30 January 2012. His stay at Glentoran was relatively short lived, as the club released him in June 2012 when they invoked a probationary clause in his contract after he allegedly made
homophobic comments on Twitter. ==Coaching career==