The Italian side already have already had one over the Blues, after they won the race to sign Chilean forward Eduardo Vargas.
His transfer will officially go through in January, which will mean he will be elligible to face Chelsea in the Champions League.
It was thought that Andre Villas-Boas and his team were chasing the talented forward but the highly rated 22-year-old who was also wanted by Inter.
The Chilean is believed to be costing the club $14.5m, but he repay that fee if he scores the winner against Chelsea in the Champions League.
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