Brazilian club Internacional insist that Oscar's potential move to the Premier League must be the biggest in the country's history.
The 20-year-old midfielder has been heavily linked with a transfer to England this summer, with Chelsea and Tottenham leading the race for the South American starlet's signature.
Inter chief Giovanni Luigi says the club are under no pressure to sell, so it will take a record-breaking offer to take him to either Stamford Bridge or White Hart Lane, and went on to intimate that the Blues are closest to meeting that valuation.
"I want the transfer of Oscar to be the biggest transfer deal ever in Brazilian football," he told Radio Gaucha. "And the Chelsea offer isn't that far from that.
"Last year Tottenham made two offers for Leandro Damiao. We kept him and he was very important. He is Internacional's top scorer in Libertadores and Brazil's national team number 9."
He added: "Oscar's situation is similar. I'm part of an administration that has always been competent to replace those players that leave.
"If regarding Oscar we get offers that match our expectations, we'll negotiate. But they have to be of the value that mean significant resources for Internacional.
"Those values would be the biggest negotiation in Internacional's history."
Luigi also passed comment on the club's link to another in-demand Brazilian, Ganso, who is also rumoured to be on Arsenal manager Arsene Wenger's summer transfer radar.
The Gunners are looking to strengthen their Emirates Stadium squad ahead of the 2012-13 campaign, and have been credited with an interest in bringing the want-away Santos midfielder to north London.
"When I talked to him, he told me that his relation with Santos' board has been bad for a while. Delcir Sonda's [whose company owns 50 per cent of the player] information is that he was unhappy.
"If Santos were willing to sell their part, there would be two options: selling him abroad or move him to Internacional. This is a possibility, but a very remote one. I don't believe in that possibility.
"Sonda is a die-hard Internacional fan and overexcited at times. So he ended up talking about that in an interview. But I can tell you that this possibility is very hard."
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