After a slight knee complaint, Chelsea midfielder Mikel Obi has declared himself fit for the African Cup of Nations. <br /><br />The Nigeria international has missed the last two games played by the London club - against Everton and QPR - in the English Premier League.<br /><br />''I am going to be at Nations Cup as there is nothing to worry about concerning the injury, it is over.<br /><br />"I am okay and fit for action. I am already looking forward to play in the FA Cup game against Southampton,''Mikel told MTNFootball.com.<br /><br />The former Lyn Oslo ace will join the Eagles training camp in Faro, Portugal on Saturday.<br /><br /><br /><br />