Nick Kyrgios says he has a new lease on life on court after being amazed at sudden improvement in his long-term knee injury ...

Australian tennis player Nick Kyrgios revealed that something had changed in his knee, which has allowed him to be pain-free over the last couple of weeks as he eyes a return on the court next year.

Women's No. 1 Aryna Sabalenka is taking on men's No. 652 Nick Kyrgios in an upcoming "Battle of the Sexes" exhibition match ...