CANCÚN, México (AP) — French Open runner-up Karolina Muchova pulled out of the WTA Finals on Tuesday because of an injured right wrist and was replaced in the field for the season-ending tournament by Maria Sakkari. The eighth-ranked Muchova, who lost to Iga Swiatek in the final at Roland Garros in June, would have been making her debut at the WTA Finals.
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