Cristiano Ronaldo: Real Madrid Star 'Worth at Least £300m

Cristiano Ronaldo would sell for £300m if Real Madrid decided to let him leave tomorrow, the Portuguese superstar's agent has told BBC Sport.

Jorge Mendes said the Portugal captain was the "best sportsman ever".

"He is the best player ever in the world. You can't compare him with anybody else," Mendes told sports editor Dan Roan.

Ronaldo, 29, was voted the world's best player for a third time last month, beating Lionel Messi to the award.

Asked how much he was worth, Mendes said: "Cristano Ronaldo? One billion. His buyout clause one billion, so it is one billion. It is impossible to buy someone like him.

"If for any reason the club decide to sell him tomorrow for 300 million, someone will pay."

However, Mendes insisted his countryman, who cost Real Madrid a world record fee of £80m in 2009, would stay at the Bernabeu, despite his "love" for supporters of former club Manchester United.

Asked if he will finish his career there, Mendes said "for sure". "He will not leave Real Madrid," he added.

Mendes, who is reported to have brokered more than £1bn worth of transfers, has been described as the most powerful figure in the game.

He described football as the "most important sport in the world" and defended players' wages, saying they "deserve the maximum possible".

Mendes, a former DJ and nightclub owner, also represents Jose Mourinho, Luiz Felipe Scolari, Radamel Falcao, Angel Di Maria, James Rodriguez, David De Gea, Victor Valdes and Diego Costa.