"You're going to have your good days and your bad days, but if you live and die with every shot out there, your career is not going to last very long out there," Stallings said.
Making his second career PGA Tour start, Lingmerth hit his 4-iron approach way left into the water in the playoff. He had an awkward stance with the ball above his feet.
"I didn't feel that comfortable over it, obviously," Lingmerth said. "I just hit a bad shot."
Phil Mickelson had a 66 to tie for 37th at 17 under in his season debut.
"I was rusty starting the year," Mickelson said. "I had a great four days here where I can work on my game with perfect weather and wonderful golf courses, where I could build some momentum. Heading into San Diego, I feel a lot more confident."
DIVOTS: James Hahn eagled the 18th for a 62 to tie for fourth with Stallings. ... Russell Henley, the Sony Open winner last week in his first start as a PGA Tour member, tied for 56th at 15 under after a 69. ... FedEx Cup champion Brandt Snedeker shot a 67 to tie for 23rd at 19 under. He was the highest-ranked player in the field at No. 8.
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