Real Madrid goalkeeper Iker Casillas is edging closer to a move to Portuguese side FC Porto.

However, the deal hinges on whether Madrid are willing to pay Casillas a significant exit fee.

The 24-year-old has been offered a two year deal at Porto with the option for a third year, at €2.5 million per year. However, he currently earns €7 million per year at the Bernabeu. The shot stopper therefore wants Los Blancos to pay the difference in his wages, which would amount to around €15 million.

Madrid have vowed to do everything they can to help their long time first choice keeper find a new home, but the €15 million fee is said to be higher than they are willing to pay.

Read more at Goal.com