Brazil international Willian has been one of few bright sparks on the back of a horrendous season for Chelsea, so much so that the Blues want to ensure he's fresh for the start of next campaign.
The Premier League champions are reportedly at loggerheads with the Brazilian FA over the 27-year-old's inclusion in this summer's Copa America and the Olympics, according to Sky Sports.
Willian has revealed his desire to feature for Brazil in both tournaments yet Chelsea appear unwilling to let him do so out of fear he could suffer a burn out before the new season.
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"Everyone knows my desire to play in both championships," Willian said, "but of course we do not want to fight and put Chelsea in a difficult situation.
"And I do not want to fight with the Brazil Football Confederation. I hope they and Chelsea enter into an agreement about my release."
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The Copa America spans in the United States from June 3 until June 26, whilst the Olympics' football tournament begins on August 3 and finishes on August 20.
Should Willian participate in both, he would miss out on pre-season with Chelsea and be unavailable for the first two games of the campaign.
The west Londoners are hoping to convince Brazil into using Willian for only one of the tournaments, rather than both.
Clubs are not obligated to release players for the Olympics but must comply if the national team want their services for Copa America.
Barcelona's Neymar was recently granted permission to only feature in the Olympics and be omitted from the Copa America squad.
The La Liga champions issued a statement on the issue, which said: "FC Barcelona thanks the Brazilian Football Confederation and its president, Marco Polo del Nero, for having accepted the proposal the club made so that Neymar would play the Olympic Games that takes place between August 3 and 21."
"As a result, Neymar Jr. will be exempted from playing the Copa America that takes place in United States between June 3 and 26."
Chelsea will be hoping for a similar agreement so not to be without their own Brazilian talisman.
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