Oi Kaka, fancy becoming the new Denilson?

The law of unintended consequences may complicate Real MadridâÂÂs interest in Cristiano Ronaldo. If Kaka, the fourth best player in the world (according to FIFA) is worth ã103m, how much is CR7 worth?

The rumoured Real offers â ã50m, ã60m, even ã80m â for Ronaldo once seemed generous but now, post-Kaka, look a bit paltry. Indeed, whatâÂÂs to prevent City outbidding Real?

Whoever wins the election to replace interim Real president Vicente Boluda might want to reconsider this strategy anyway.

The history of such deals â where one club bets the farm for a galactically talented player â suggests they fail as often as they succeed. Zinedine ZidaneâÂÂs ã46m move to Real was a treat for fans and gave us one of the greatest goals to grace a UEFA Champions League final. But Zizou arrived in 2001, conquered Europe in 2002, and by the end of 2003 Real had begun to implode.

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