Ryder Cup: Made his sixth Ryder Cup appearance, but first as a Captain's Pick, where he was victorious in three of the four matches in which he was involved. With 16 World Golf Championships titles and 28 top-10 finishes in 32 starts, returned to Sheshan International GC in Shanghai to try and add the HSBC Champions title, the only World Golf Championships title he has yet to capture, to his resume. Twice a runner-up in three previous starts, made five birdies on his inward nine in the final round to shoot a 4-under 68, good for T6 honors.
The Barclays: Finished T38 in his seventh start at The Barclays, with a 76 in the final round of The Barclays tying his second-highest score when entering the final round T10 or better (he was T10 after 54 holes this week). In 2007 at the Arnold Palmer Invitational, was T10 after 54 holes and shot 76 to finish T22. At the 1998 Arnold Palmer Invitational, was T2 after 54 holes and shot 77 to finish T13.
U.S. Open Championship: Posted a 5-under 66 during the third round of the U.S. Open to enter the final round five strokes behind tournament leader Dustin Johnson. Went on to card a 4-under 75 Sunday to finish T4 (his eighth top-10 at the U.S. Open and 34th top 10 in a major championship). It was the second-highest, final-round score in a major championship as a professional (76 at the 2004 U.S. Open; 75s at the 2009 PGA Championship, 2003 Masters, 1999 Masters and 1997 PGA Championship).
Surgery: Pulled out of next two PGA TOUR starts, the Genesis Open and The Honda Classic. Released statement: "My doctors have advised me not to play the next two weeks, to continue my treatment and to let my back calm down. This is not what I was hoping for or expecting. I am extremely disappointed to miss the Genesis Open, a tournament that benefits my foundation, and The Honda Classic, my hometown event. I would like to thank Genesis for their support, and I know we will have an outstanding week." In April, announced on his website he had undergone further back surgery. The operation was performed by Dr. Richard Guyer of the Center for Disc Replacement at the Texas Back Institute.