Rafael Nadal pulls out of US Open with knee injury
1 of 1
Rafael Nadal, who withdrew from the Olympics because of a knee injury, also will pull out of the upcoming U.S. Open.
Photos: Island Images: December 2014
Photos: Pahoa lava flow, Dec. 17
Photos: H.S. Soccer: Kamehameha vs. Iolani, Dec. 17
More Photo Galleries »