Brian Gay, last year's Humana Challenge golf tournament winner, poses with a cake he presented to members of the media before a news conference at the tournament at PGA West on Wednesday, Jan. 15, 2014, in La Quinta, Calif. (AP Photo/Chris Carlson)
Brian Gay, last year's Humana Challenge golf tournament winner, smiles during a news conference at the tournament at PGA West on Wednesday, Jan. 15, 2014, in La Quinta, Calif. (AP Photo/Chris Carlson)
Ryo Ishikawa, of Japan, watches his tee shot the 16th hole during the pro-am portion of the Humana Challenge Golf tournament on the Palmer Private course at PGA West on Wednesday, Jan. 15, 2014, in La Quinta, Calif. (AP Photo/Chris Carlson)
Ryo Ishikawa, of Japan, watches his tee shot the 18th hole during the pro-am portion of the Humana Challenge golf tournament on the Palmer Private course at PGA West on Wednesday, Jan. 15, 2014, in La Quinta, Calif. (AP Photo/Chris Carlson)
Stewart Cink walks off the 15th green as a bighorn sheep looks on during the pro-am portion of the Humana Challenge golf tournament on the Palmer Private course at PGA West on Wednesday, Jan. 15, 2014, in La Quinta, Calif. (AP Photo/Chris Carlson)
Zach Johnson hits from the 12th tee during a practice round for the Humana Challenge golf tournament on the Palmer Private course at PGA West, Wednesday, Jan. 15, 2014, in La Quinta, Calif. (AP Photo/Chris Carlson)
Zach Johnson hits shots around the 11th green during a practice round for the Humana Challenge golf tournament on the Palmer Private course at PGA West, Wednesday, Jan. 15, 2014, in La Quinta, Calif. (AP Photo/Chris Carlson)
Ryo Ishikawa hits to the 18th green during the pro-am portion of the Humana Challenge Golf tournament on the Palmer Private course at PGA West, Wednesday, Jan. 15, 2014 in La Quinta, Calif. (AP Photo/Chris Carlson)
Keegan Bradley putts on the 11th green during a practice round for the Humana Challenge golf tournament on the Nicklaus Private course at PGA West Wednesday, Jan. 15, 2014, in La Quinta, Calif. (AP Photo/Chris Carlson)
Stewart Cink walks off the 15th green as a bighorn sheep looks on during the pro-am portion of the Humana Challenge golf tournament on the Palmer Private course at PGA West on Wednesday, Jan. 15, 2014, in La Quinta, Calif. (AP Photo/Chris Carlson)