Oscar, 20, would become the Blues third signing of the summer, following Edin Hazard and Marko Marin to Stamford Bridge.
The Under-20 World Cup winner will compete at next month’s Olympic Games in London and could then join the Champions League winners.
ESPN report: “Nothing is signed but a deal in principle is agreed for €25 million.”
The report confirm earlier talk doing the rounds in the British print media that a deal is agreed for the young star.
