Brendan Steele erased a two-shot deficit in the final round and completed a successful defense of his Safeway Open championship on Sunday in Napa, Calif.
John Daly, the two-time major victor who won his first PGA Tour Champions title in May, closed with a 79 to tie for 72nd at 5 over.
Emiliano Grillo of Argentina and Graham DeLaet of Canada are at 11-under. But he missed a short putt for birdie on the 16th and a short putt for par on the 17th. And then I had a good putting day as well, so you put that together and its going to be pretty good.
Mickelson, playing in his 91st PGA Tour event since his last win, finished eighth in the tournament past year and has six straight rounds in the 60s at Silverado. The putt that Steele said was "huge", however, was the seven-foot, six-inch putt for bogey on No. 14.
Steele made his move Sunday with a bogey-free front nine. This will definitely set up my season and hopefully springboard me into another really good year. "I was hitting great shots, good putts and got some good breaks".
"A little bit of everything worked for me today", Steele said. This will be the last domestic event on the PGA Tour that offers full FedEx Cup points until Las Vegas the first week in November.
He had a string of four straight birdies from the fourth through seventh holes and finished with seven birdies to go along with three bogeys.
The event was the opener of the 2017-18 PGA Tour season.
Brendan Steele reflects on defending his Safeway Open title in California.
The last PGA Tour title won by Mickelson was back in 2013, the same year he won both the US Open and The Open Championship.
He added an eagle on the fifth but followed with a bogey on the next hole.
Steele began the final round in a tie for third place, trailing 54-hole leader Tyler Duncan by two strokes. Emiliano Grillo (68) of Argentina, the victor in 2015, was tied for fifth place with Canada's Graham DeLaet (69) at 11 under par.
Sangmoon Bae carded a one-over 73 on his return to the PGA Tour after serving military service in his native South Korea, dropping four shots in a row but scoring birdies on the 12th and 18th.
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