• Defender says Spanish champions are 'following' him• Serbia international is under contract until 2016The Chelsea defender Branislav Ivanovic has admitted that he is aware of interest from the Spanish champions Real Madrid, but has indicated that he is happy to remain at Stamford Bridge.Ivanovic, 28, signed a contract with Chelsea in February that takes him to the summer of 2016 but the captain of Serbia said on Sunday: "I know there is an interest from Madrid, who are following me. But it's not the time to talk about it now."The versatile Ivanovic was suspended for Chelsea's Champions League final victory over Bayern Munich, and saw the Ja...