``Rooney is one of the best strikers in the world but I think it's impossible to buy him, he's an idol at Manchester United,'' the Italian told a press conference on Tuesday.
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``It's impossible to buy him'':
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Rooney booed during Manchester United Premier League title parade
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Rooney - could return against Manchester City.
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Rooney returns for Manchester United
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Manchester United fans worried over Wayne Rooney rumours
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Manchester United linked with Chilean ``wonder boy''
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Rooney admits to nerves
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Totti - I'm not untouchable
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Fergie calls for consistency
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Ferguson fears Rooney will burn out during World Cup
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``AC Milan is trying to sell him''
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Pele recommends Platini
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Manchester United is not for sale, club says
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Wayne Rooney tells friends i want to save marriage
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'Ronaldo is the world's best'
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National team is the ultimate:
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'Impossible to pick a winner'