Dortmund star Shinji Kagawa has asked club bosses to OK his move to Stamford Bridge.
The Japanese midfielder is said to have his heart set on joining Antonio Conte at Chelsea.
Although the move is expected to go through, negotiations are believed to have stalled on Dortmund's asking price for the player.
Chelsea's initial bid of €17 million was considered to be too low, according to club insiders.
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