Rafael Nadal pulls out of the U.S. OpenBrock PalmbosBrock PalmbosPublished: August 18, 2014Al Bello - Getty ImagesShare on FacebookShare on Twitter14-time Grand Slam tennis champion Rafael Nadal has withdrawn from next week's U.S. Open in New York.Story Here: http://espn.go.com/tennis/story/_/id/11369850/rafael-nadal-withdraws-us-open-right-wrist-injury