See Woo Kim is on top of the leaderboard heading in to the final round of the Valero Texas Open.
The South Korean is a shot ahead of Canada's Corey Conners while Charley Hoffman is two shots back.
Meanwhile Scott Brown, Jhonattan Vegas and Kyoung-Hoon Lee are four shots off the pace.
The winner of the tournament will secure the last spot in next week's Masters tournament.
The final round gets underway later on Sunday.
Red Bull's Verstappen wins Singapore Grand Prix
Red Bull's Max Verstappen has delivered a commanding performance to win the Singapore Grand Prix from pole position on Sunday, securing his second straight victory of the season after a perfect weekend that included a sprint race triumph.
Zheng overpowers Andreeva to win China Open
Olympic champion Zheng Qinwen has become the first Chinese player to win the China Open, beating French Open winner Mirra Andreeva 7-5 6-4 on Sunday.
Smith sets new catching record as Australia take firm grip on test
Australia's Steve Smith has set a record for most test catches as his side took a firm grip on the first test with hosts South Africa 238 runs for eight wickets, still trailing the tourists by 152 runs at tea on the third day at Kingsmead.
Real's Vinicius apologises after red card for hair pull against Villarreal
Real Madrid's Vinicius Jr has apologised to his teammates and the club's fans after being sent off in the 1-0 win over Villarreal in LaLiga at the Santiago Bernabeu on Saturday.
Ronaldo provisionally suspended after national team walkout
Cristiano Ronaldo has been provisionally suspended by the Portuguese Football Federation (FPF) after disciplinary proceedings were opened over the striker's departure from the national team camp.
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