After wind gusts threatening 40 mph pummeled the morning starters, Hoffman faced steady 15 mph wind in the afternoon at TPC San Antonio. He had the lone bogey-free round, birdieing Nos. 2, 3, 9, 11 and 17.
The winner last year in Mexico at the start of the wraparound season, Hoffman has eight top-10 finishes in nine appearances in San Antonio. He was second in 2011 and third in 2013.
Max Homa had a 69, and
Mickelson, winless since the 2013 British Open, lost the clubhead off his eight-iron when it came flying off while he hit from a fairway bunker on the 12th hole.
With gusts reaching 38 mph early in the day, no one with a morning tee time managed to break par. Only
Mirim Lee birdied all four par-five holes and finished with a bogey-free seven-under 65 to take the first-round lead in the Kia Classic in Carlsbard, Calif.
Lee took the outright lead with an 8-foot putt on the par-five fifth — her 14th hole in her afternoon round at Aviara — and hit a wedge to within three feet to set up her final birdie on the par-five eighth. The 24-year-old South Korean player won
Yani Tseng, winless in 70 starts since her victory in the 2012 event at nearby La Costa, had a 66. She finished with a four-foot birdie putt on the par-four 18th after hitting a 150-yard shot from near a fairway bunker with the ball well above her feet — and water to the right of the green.
Top-ranked Lydia Ko was two strokes back at 67 in the final event before the first major of the season, the ANA Inspiration next week in Rancho Mirage.
The 17-year-old New Zealander has 10 straight top-10 finishes and has broken par in her last 25 LPGA Tour rounds and 28 worldwide. She has two worldwide victories this year, winning the tour's Women's