UEFA president Michel Platini will step up his efforts to bring in financial controls on top clubs after being stunned by Manchester City's "ridiculous" £100million bid to sign Kaka.
Platini's advisers are working on a number of different proposals aimed at creating a more level playing field - in financial terms - for clubs involved in the Champions League and Europa League - the revamped UEFA Cup.
Speaking on a visit to London, Platini said: "How one guy can cost 150million euro is ridiculous from a social, football and financial point of view."
He added: "It's why we have to do something to have a transparency and a fairness in football. It's not good for the popularity of football."
Platini said clubs should concentrate instead on bringing through young players from their local population.
He added: "In Manchester City they can work with all the young players in Manchester and bring them to the academy and they become like Kaka.
"Then they don't need to buy him for 150million euros because they will have him in their own academy."
Platini will bring proposals on financial controls to March's meeting of the Strategy Council - the body made up of representatives of the leagues, associations and players - but he said they will only affect European club competitions, not domestic league matches.
Possible ideas include preventing clubs spending above their income, or limiting clubs' spending on wages to a fixed proportion of their revenue. Another suggestion is limit the size of the squad to 25 rather than allowing numbers at the biggest clubs to rise to 40 or more players.
Platini added: "It's not an English problem, it's a European problem and I have to find a good system which allows everybody a chance to win."
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