Tiger Woods ended what should have been a solid opening day at the punishing U.S. Open with a costly blunder, and it's been all downhill from there for the three-time U.S. Open champ.

Starting on the back nine, Woods carded four consecutive birdies to open his second round, and then went on a horrible 11-hole run, carding five bogeys and two double bogeys over that stretch. Woods fell below the projected cut line with a bogey at the par-4 16th hole, and proceeded to plummet down the leaderboard from there. He hit just four of his first 11 fairways,...