FIFA World Cup 2014. Why Capello later released on the Kerzhakov ?

In the match with Belgium Kerzhakov left the field one minute before the end of regulation time, after scoring a goal by Belgium .Why not earlier?Did it affect the outcome of the match ?

What are the details of the contract and the RFU Capello released by Novaya Gazeta ?

What are the details of the contract with the RFU Capello released by Novaya Gazeta ?