Harris English shot a 6-under 64 on Friday to open a two-stroke lead in the St. Jude Classic in Memphis, Tenn.
The 23-year-old used a hot putter at TPC Southwind to roll in five birdie putts, holed out from 181 yards for eagle on the par-4 fifth and had only one bogey to finish two rounds at 10-under 130.
"It's awesome to be in this position," said English, who's winless during his two years on the PGA Tour.
Shawn Stefani was second after a 65. Paul Haley II and Scott Stallings each shot 68 to reach 5 under. Davis Love III was tied with four others at 4 under after a 70, and defending champion Dustin Johnson also had a 70 to finish at 3 under.
Phil Mickelson was 2 under after a 67.
Guan Tianlang, the 14-year-old amateur who made the cut at the Masters, missed the cut. The cut came at 1-over 141, and he went 73-71-144.
USGA: Tiger Woods, Rory McIlroy and 2013 Masters champion Adam Scott will play together the first two rounds of the U.S. Open at Merion in Ardmore, Pa.
For the third straight year, USGA officials put the top three players in the world ranking in the same group. Woods' former caddie, Stevie Williams, now carries Scott's bag. Mickelson will be grouped with Steve Stricker and Keegan Bradley.
Cal has three players in next week's field -- Michael Kim, Max Homa and Michael Weaver. Kim will be paired with Stefani and Nicholas Thompson. Weaver will play with Michael Thompson and Casey Wittenberg. Weaver will play with Russell Knox and former Alameda resident Matt Bettencourt.
LPGA Tour: Not a late band of rain or a soggy course could deter Chella Choi. Not with her father on the bag.
The 22-year-old South Korean, who's never won on tour, shot a 5-under 67 to take a one-stroke lead over Morgan Pressel after the first round of the rain-delayed LPGA Championship in Pittsford, N.Y.
Brittany Lincicome and Jiyai Shin were tied for third at 69.
Defending champion Shanshan Feng had a 2-over 74 as only 14 players broke par in the second major of the year.
Choi had a flawless performance on the front nine at rain-soaked Locust Hill. Choi, playing lift, clean and place, made five birdies and no bogeys on her opening nine.
"I had a really good driver today," said Choi, whose father, Ji Yeon, has vowed to serve as her caddie until she gets that first victory. "My goal was to hit the fairways."
The opening round Thursday was pushed back one day.
Michelle Wie and Paula Creamer both shot 76s, while Juli Inkster had a 78.
Champions Tour: Duffy Waldorf shot a 4-under 68 to take a one-stroke lead over Jeff Sluman after the soggy, weather-delayed second round of the Regions Tradition, the second of five tour majors.
Waldorf had three birdies and a bogey on each nine for a 9-under 135 total at Shoal Creek in Birmingham, Ala.
"My friend was telling me, 'I don't really care if you're leading after the first or second round or even the third. Just lead after the fourth,' " he said.
Sluman had a 71.
San Mateo's Michael Allen (69), Fred Couples (71), Mark Calcavecchia (69) and Rod Spittle (66) were three shots back.
Two-time defending champion Tom Lehman was 4 under after a 71. He made double bogey on 17 and bogey on 18.