Phil Mickelson reacts to his chip to the second green during the first round of the CareerBuilder Challenge at the La Quinta County Club Thursday, Jan. 19, 2017 in La Quinta, Calif. (AP Photo/Chris Carlson)
Phil Mickelson reacts after missing a birdie putt on the 12th hole during the first round of the CareerBuilder Challenge at the La Quinta County Club Thursday, Jan. 19, 2017 in La Quinta, Calif. (AP Photo/Chris Carlson)
Phil Mickelson watches his tee shot on the third hole during the first round of the CareerBuilder Challenge at the La Quinta County Club Thursday, Jan. 19, 2017 in La Quinta, Calif. (AP Photo/Chris Carlson)
Phil Mickelson reacts after making a putt on the third hole during the first round of the CareerBuilder Challenge at the La Quinta County Club Thursday, Jan. 19, 2017 in La Quinta, Calif. (AP Photo/Chris Carlson)
FILE - In a Sunday, Feb. 14, 2016 file photo, Phil Mickelson hits out of a bunker onto the second green of the Pebble Beach Golf Links during the final round of the AT&T Pebble Beach National Pro-Am golf tournament, in Pebble Beach, Calif. (AP Photo/Eric Risberg)
Phil Mickelson follows his approach shot from the first fairway of the Silverado Resort North Course during the pro-am event of the Safeway Open PGA golf tournament Wednesday, Oct. 12, 2016, in Napa, Calif. (AP Photo/Eric Risberg)
Phil Mickelson talks during a news conference for the U.S. Open golf championship at Oakmont Country Club on Wednesday, June 15, 2016, in Oakmont, Pa. (AP Photo/Gene J. Puskar)
Phil Mickelson looks at his score book as he walks off the first hole during the third round of play at The Barclays golf tournament Saturday, Aug. 29, 2015, in Edison, N.J. (AP Photo/Mel Evans)
United States' Keegan Bradley, left, gets a kiss from his girlfriend Jillian Stacey after Bradley and Phil Mickelson won their foursome match 4 and 3 against the International's Jason Day and Graham DeLaet at the Presidents Cup golf tournament at Muirfield Village Golf Club Friday, Oct. 4, 2013, in Dublin, Ohio. (AP Photo/Jay LaPrete)
United States Ryder Cup golfer Phil Mickelson and his wife Amy arrive at the 37th Ryder Cup Gala in Louisville, Ky., Wednesday, Sept. 17, 2008. (AP Photo/Rob Carr)']
John Daly, left, high fives with teammate Phil Mickelson after Mickelson birdied the third hole to put their team up against Tiger Woods and Hank Kuehne at the Battle At the Bridges Monday Aug. 2, 2004 in San Diego. (AP Photo/Denis Poroy)
Phil Mickelson of the U.S. drives off the 4th hole with his caddie Jim Mackay during a practice round ahead of the Ryder Cup golf tournament at Gleneagles, Scotland, Wednesday, Sept. 24, 2014. (AP Photo/Matt Dunham)
Phil Mickelson takes his third shot on the 17th hole during the second round of the BMW Championship golf tournament at Cherry Hills Country Club in Cherry Hills Village, Colo., Friday, Sept. 5, 2014. (AP Photo/Brennan Linsley)
Phil Mickelson watches his tee shot on the 13th hole during the first round of the U.S. Open golf tournament in Pinehurst, N.C., Thursday, June 12, 2014. (AP Photo/David Goldman)
Phil Mickelson, left, exchanges clubs with his caddie Jim Mackay before his shot from the 13th fairway during the final round of the Memorial golf tournament on Sunday, June 1, 2014, in Dublin, Ohio. (AP Photo/Darron Cummings)
Ryo Ishikawa, left, of Japan, and Phil Mickelson, right, walk down the 10th fairway during the final round of the Memorial golf tournament on Sunday, June 1, 2014, in Dublin, Ohio. (AP Photo/Darron Cummings)
Phil Mickelson walks to the 14th green during the final round of the Memorial golf tournament on Sunday, June 1, 2014, in Dublin, Ohio. (AP Photo/Darron Cummings)
Phil Mickelson reacts to a missed putt on the ninth green during the final round of the Memorial golf tournament on Sunday, June 1, 2014, in Dublin, Ohio. (AP Photo/Darron Cummings)