Emiliano Grillo, of Argentina, studies his third shot on the 14th green during the first round of the Mexico Open golf tournament in Puerto Vallarta, Mexico, Thursday, Feb. 22, 2024. (AP Photo/Fernando Llano)
Tony Finau, of the United States, reacts to his putt on the fourth hole during the first round of the Mexico Open golf tournament in Puerto Vallarta, Mexico, Thursday, Feb. 22, 2024. (AP Photo/Fernando Llano)
Erik van Rooyen, of South Africa, tees off on the 16th hole during the first round of the Mexico Open golf tournament in Puerto Vallarta, Mexico, Thursday, Feb. 22, 2024. (AP Photo/Fernando Llano)
Nicolai Hojgaard, of Denmark, tees off on the 10th hole during the first round of the Mexico Open golf tournament in Puerto Vallarta, Mexico, Thursday, Feb. 22, 2024. (AP Photo/Fernando Llano)
Erik van Rooyen, of South Africa, studies his third shot on the 15th hole during the first round of the Mexico Open golf tournament in Puerto Vallarta, Mexico, Thursday, Feb. 22, 2024. (AP Photo/Fernando Llano)
Tony Finau, of the United States, reacts after missing a putt on the 11th hole during the first round of the Mexico Open golf tournament in Puerto Vallarta, Mexico, Thursday, Feb. 22, 2024. (AP Photo/Fernando Llano)
Ryo Hisatsune, of Japan, hits from the rough at the first hole during the first round of the Mexico Open golf tournament in Puerto Vallarta, Mexico, Thursday, Feb. 22, 2024. (AP Photo/Fernando Llano)
Groundworkers drive a cart during a practice round ahead of the Mexico Open golf tournament in Puerto Vallarta, Mexico, Wednesday, Feb. 21, 2024. (AP Photo/Fernando Llano)
Cameron Champ, of the United States, studies his putt at the 5th green during the first round of the Mexico Open golf tournament in Puerto Vallarta, Mexico, Thursday, Feb. 22, 2024. (AP Photo/Fernando Llano)
Nico Echavarria, of Colombia, watches his tee shot on the second hole during the first round of the Mexico Open golf tournament in Puerto Vallarta, Mexico, Thursday, Feb. 22, 2024. (AP Photo/Fernando Llano)
Erik van Rooyen, of South Africa, watches his tee shot on the second hole during the first round of the Mexico Open golf tournament in Puerto Vallarta, Mexico, Thursday, Feb. 22, 2024. (AP Photo/Fernando Llano)
Padraig Harrington, of Ireland, watches his tee shot on the 11th tee during the first round of the Mexico Open golf tournament in Puerto Vallarta, Mexico, Thursday, Feb. 22, 2024. (AP Photo/Fernando Llano)