by injuries and personal difficulties surrounding the break-up of his marriage. At the start of the 2006–07 campaign, he handed in a transfer request to manager Nigel Worthington. Although Worthington rejected McKenzie's request, he subsequently confirmed that McKenzie would be sold if they received an offer that matched the club's valuation of the player. McKenzie was signed by Coventry City on transfer deadline day in August 2006 for an initial £600,000 that, depending on appearances and promotion, could rise to £1m. Coventry's first match after signing McKenzie was against Norwich – however, McKenzie was unable to play due to a condition of the transfer that prevented him from playing in either of the two fixtures between Coventry and Norwich in the 2006–07 season. He made his debut for Coventry on 12 September 2006 as a substitute against Ipswich Town at Portman Road. He started the 2007–08 season well, scoring against Barnsley on the opening day of the season and against Hull, before a knee injury put him out of action for several weeks. He scored in Coventry's opening game of the 2008–09 season against his old club, Norwich City. This marked McKenzie's 100th professional career goal and he celebrated by revealing a vest with "100" on it. He was subsequently booked for his celebration. On 1 September 2009 it was confirmed that he had signed for Charlton Athletic. He scored his first and only goal for Charlton against Southampton in the Football League Trophy on 11 November 2009. He was one of six players to be released by Charlton Athletic following the end of the 2009–10 league season. On 8 September 2010 it was confirmed he had signed a contract with Northampton Town until the end of 2010–11 season. McKenzie featured in a friendly for Conference club Luton Town against Bedford Town prior to the 2011–12 season. On 15 December 2011 Mckenzie announced his retirement from professional football. He played his final game on 17 December 2011, after which he made a music single teaming up. ambitions. In July 2012, however, McKenzie came out of retirement to sign for Conference North side Corby Town. On 1 January 2013 Leon played his last football game for Conference North side Corby Town and is now officially retired from football. Personal life He is the son of former British and European boxing champion Clinton McKenzie and nephew of three time world boxing champion