A day after the 14-time major champion hit every green in regulation en route to a majestic 10-under par 62 that equaled his own Sherwood Country Club course record, Woods found the going tougher on a day that started in cold rain and ended with the sun shining and a chilly, unpredictable wind whipping.
Woods notched the last of his four birdies at the par-four 18th, balancing four bogeys as he built a 54-hole total of 11-under par 205 and maintained his two-stroke cushion over 2007 Masters champion Zach Johnson.
He, too, birdied 18 to cap an even-par 72 for 207.
"It was a tough day," Woods said. "The wind was all over the place. It was really tough to pull clubs, and even though the greens were softer, they were still pretty quick."
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Bubba Watson was alone in third after a 69 for 209. Watson's was one of just four rounds under par produced by the elite field of 18.
While Woods said the tricky conditions had a lot to do with the difference in his score, he said he made a few mistakes that cost him shots.