Bianca Andreescu withdraws from WTA Finals due to knee injury

In a statement, Canada's Bianca Andreescu says she is "very disappointed" not to be able to finish the year on her terms due to an injury to her left knee.
                        In a statement, Canada's Bianca Andreescu says she is "very disappointed" not to be able to finish the year on her terms due to an injury to her left knee.

Source: Bianca Andreescu withdraws from WTA Finals due to knee injury