He's sleepwalking through his final round right now, hanging around +13 for the tournament.
Tiger has hit a handful of good shots this week. But his putting has been terrible, he has been a mess around the greens, and an elbow injury has given him obvious pain.
Here's Tiger's disastrous 2013 U.S. Open in four shots.
1. He chipped it backwards:
2. He missed a par putt on 18, and Lindsey Vonn was dumbfounded (via SB Nation):
3. You know he's struggling when he missed a TWO FOOT putt (via SB Nation):
4. And the hurt-arm grimace from Thursday, which has been hanging over him all tournament: