Via his website:
“I am extremely disappointed that I won’t be playing in the U.S. Open, but it’s time for me to listen to my doctors and focus on the future,” Woods said. “I was hopeful that I could play, but if I did, I risk further damage to my left leg. My knee and Achilles tendon are not fully healed. I hope to be ready for AT&T National, the next two majors and the rest of the year.”