PGA Championship: Despite not hitting a fairway until the 10th hole Sunday, made eight birdies and two bogeys to post a 6-under 64, tying the day's low round. Finished solo-second at 14-under 266, two strokes behind Brooks Koepka. The runner-up finished marked his 31st on the PGA TOUR and first time taking solo-second since the 2009 TOUR Championship. Was looking to tie Jack Nicklaus and Walter Hagen for most PGA Championship victories. A win would have marked his first major championship title since the 2008 U.S. Open, a span of 3,709 days.
Chevron World Challenge: Lost in a playoff to Graeme McDowell at the Chevron World Challenge. It was the first time as a professional that he lost after holding a three-shot-or-more lead entering the final round. McDowell drained a 20 foot putt on the 72nd hole to force a playoff and then made a 25 foot putt on the first playoff hole (No. 18) to capture the win. The world's No. 2-ranked player missed a 14-foot putt that would have extended the playoff. He has finished in the top two at this event in eight of his 10 starts.

In November 2006, Woods announced his intention to begin designing golf courses around the world through a new company, Tiger Woods Design.[196] A month later, he announced that the company's first course would be in Dubai as part of a 25.3-million-square-foot development, The Tiger Woods Dubai.[197] The Al Ruwaya Golf Course was initially expected to finish construction in 2009.[197] As of February 2010, only seven holes had been completed; in April 2011, The New York Times reported that the project had been shelved permanently.[198][199] In 2013, the partnership between Tiger Woods Design and Dubai Holding was dissolved.[200]

Woods collaborated closely with TAG Heuer to develop the world's first professional golf watch, which was released in April 2005.[139] The lightweight, titanium-construction watch, designed to be worn while playing the game, incorporates numerous innovative design features to accommodate golf play. It is capable of absorbing up to 5,000 Gs of shock, far in excess of the forces generated by a normal golf swing.[139] In 2006, the TAG Heuer Professional Golf Watch won the prestigious iF product design award in the Leisure/Lifestyle category.[140]
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