11.   The knee bothered Piatkowski during voluntary workouts and he elected to have surgery to repair some damaged cartilage.

12.   The knee bothered him all season, preventing him from completing several games.

13.   There was a question that his knee was bothering him, but Grant said that diagnosis was wrong.

14.   When Arnott returned for the second-round opener, it was clear that the knee was still bothering him.

15.   Both knees are bothering me.

16.   He was slowed by tendinitis in both knees early in the season, but the left knee has not bothered him lately.

17.   Olajuwon said the knee has been bothering him for some time.

18.   Rios said his right knee has been bothering him for two months.

19.   Rios said his right knee has been bothering him for a month.

20.   Rios said his inflamed right knee has bothered him for two months, and he was unsure whether he would even be able to take the court.