Clubs: FC Lyn Oslo, Chelsea FC
• Started out with Plateau United FC of his hometown of Jos in Nigeria before a brief spell in South Africa with Ajax Cape Town FC. First earned global recognition at the 2003 FIFA U-17 World Cup in Finland before commanding even greater attention by steering Nigeria to the final of the FIFA U-20 World Cup in the Netherlands two years later.
• Joined Lyn at the start of the 2005 season but made only six league appearances before Chelsea and Manchester United FC engaged in a long battle for his services, the Blues coming out on top in 2006 when he signed for the Stamford Bridge club at a cost of €16m.
• Sent off in Chelsea's 2007 League Cup final triumph over Arsenal FC but played the full 120 minutes of the FA Cup showpiece victory against United (1-0) a few months later; became a regular thereafter, particularly after Claude Makelele's departure, starting 33 Premier League games in 2008/09.
• Suffered a knee injury in the closing stages of Chelsea's double-winning 2009/10 campaign which caused him to miss the FA Cup final and the FIFA World Cup in South Africa.
• In May 2012 he appeared in his third successful FA Cup final, a 2-1 victory against Liverpool FC, two weeks before playing the full 120 minutes of Chelsea's UEFA Champions League shoot-out triumph over FC Bayern München.
• Made four appearances in Chelsea's successful UEFA Europa League campaign of 2013, but was an unused substitute for the final against SL Benfica in Amsterdam.
UEFA Champions League: runner-up 2008; winner 2012
UEFA Europa League: winner 2013
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|The home team is listed first.||Last updated: 09/12/2013 05:38 CET|
|26.08.2013||English Premier League||Man. United||0-0||Chelsea||3||0||0|
|30.08.2013||UEFA Super Cup||Final||Bayern||2-2|
|14.09.2013||English Premier League||Everton||1-0||Chelsea||90||0||0|
|18.09.2013||UEFA Champions League||Group stage||Chelsea||1-2||Basel||15||0||0|
|21.09.2013||English Premier League||Chelsea||2-0||Fulham||90||1||0|
|28.09.2013||English Premier League||Tottenham||1-1||Chelsea||45||0||0|
|22.10.2013||UEFA Champions League||Group stage||Schalke||0-3||Chelsea||18||0||0|
|27.10.2013||English Premier League||Chelsea||2-1||Man. City||24||0||0|
|29.10.2013||English League Cup||Fourth round||Arsenal||0-2||Chelsea||90||0||0|
|09.11.2013||English Premier League||Chelsea||2-2||West Brom||17||0||0|
|23.11.2013||English Premier League||West Ham||0-3||Chelsea||90||0||0|
|01.12.2013||English Premier League||Chelsea||3-1||Southampton||6||0||0|
|04.12.2013||English Premier League||Sunderland||3-4||Chelsea||9||0||0|
|07.12.2013||English Premier League||Stoke||3-2||Chelsea||70||0||1|
|UEFA Champions League|
|UEFA Super Cup|
|UEFA Europa League|