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.
Kane double rescues England in comeback win over DR Congo
Captain Harry Kane came to England's rescue as they came from a goal down in a battling 2-1 win over the Democratic Republic of Congo on Wednesday to seal their place in the last 16 of the World Cup.
Sinner, Medvedev and Sabalenka reach Wimbledon round three
Defending Wimbledon champion Jannik Sinner had several members of Europe's Ryder Cup team watching his second-round clash with Nuno Borges on Wednesday and in golfing parlance he kept it straight down the middle in a relatively risk-free victory.
Osaka brings the style again to beat Gasanova in Wimbledon second round
Four-times Grand Slam champion Naomi Osaka continued her impressive start to her Wimbledon campaign with a clinical 6-3 6-2 victory over Russian qualifier Anastasia Gasanova to reach the third round on a sunny Wednesday.
First-half goals send Mexico to comfortable 2-0 victory over Ecuador
Julian Quinones delivered a goal and an assist in the first half for Mexico, who maintained complete control in front of their vocal home fans to earn a 2-0 World Cup victory over Ecuador in a round of 32 match on Tuesday at Mexico City.
Mbappe scores twice as France ease past Sweden 3-0 to reach last 16
Kylian Mbappe scored twice as France swept aside Sweden 3-0 in the World Cup round of 32 on Tuesday, maintaining their perfect record of four wins from four and setting up a last-16 meeting with Paraguay.
