Yesterday he talked about how it hurts to walk but not swing. Today he said everything was causing his leg to hurt. Walking, turning, swinging...
It started around #7. He was in some bunkers today. As Duval noted, you have to dig in and crouch and use your legs more in the bunker. But Tiger has been lying. Swinging hurts. It is his right leg. You are loading and pushing off that leg. He has changed his swing to be more upper body with a quiet lower, but still....
I watched him on the range yesterday (Golf Channel) and he was limping badly. I think for the round coverage and galleries, he tries not to limp. This isn't going away either. He will be in pain for the rest of his life.