Phil Mickelson hits a shot on the sixth hole during the first round for the Masters golf tournament Thursday, April 6, 2017, in Augusta, Ga. (AP Photo/Charlie Riedel)
2 of 13
Phil Mickelson hits from the trees on #7 during the first round of the Masters Tournament Thursday at Augusta National Golf Club, Thursday, April 6, 2017, in Augusta, Georgia. (JON-MICHAEL SULLIVAN/STAFF)
3 of 13
Phil Mickelson and his caddie Jim Mackay walk to the #7 green during the first round of the Masters Tournament Thursday at Augusta National Golf Club, Thursday, April 6, 2017, in Augusta, Georgia. (JON-MICHAEL SULLIVAN/STAFF)
4 of 13
Phil Mickelson tips his hat to the patrons at the #7 green during the first round of the Masters Tournament Thursday at Augusta National Golf Club, Thursday, April 6, 2017, in Augusta, Georgia. (JON-MICHAEL SULLIVAN/STAFF)
5 of 13
Phil Mickelson and his caddie Jim Mackay walk to the #7 green during the first round of the Masters Tournament Thursday at Augusta National Golf Club, Thursday, April 6, 2017, in Augusta, Georgia. (JON-MICHAEL SULLIVAN/STAFF)
6 of 13
Phil Mickelson walks to the #7 green during the first round of the Masters Tournament Thursday at Augusta National Golf Club, Thursday, April 6, 2017, in Augusta, Georgia. (JON-MICHAEL SULLIVAN/STAFF)
7 of 13
Phil Mickelson on the ninth green during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 6, 2017, in Augusta, Georgia. (SARA CORCESTAFF)
8 of 13
Phil Mickelson on the ninth green during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 6, 2017, in Augusta, Georgia. (SARA CORCE/STAFF)
9 of 13
Phil Mickelson on the ninth green during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 6, 2017, in Augusta, Georgia. (SARA CORCE/STAFF)
10 of 13
Phil Mickelson watches his drive from the trees on #7 during the first round of the Masters Tournament Thursday at Augusta National Golf Club, Thursday, April 6, 2017, in Augusta, Georgia. (JON-MICHAEL SULLIVAN/STAFF)
11 of 13
Phil Mickelson during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 6, 2017, in Augusta, Georgia. (MICHAEL HOLAHAN/STAFF)
12 of 13
Phil Mickelson during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 6, 2017, in Augusta, Georgia. (MICHAEL HOLAHAN/STAFF)
13 of 13
Phil Mickelson reacts to his putt on the 18th hole during the first round for the Masters golf tournament Thursday, April 6, 2017, in Augusta, Ga. (AP Photo/David Goldman)