When Korea's Si Woo Kim stood on the 16th tee of round two of the Valero Texas Open he had already established a two-shot lead on the field at the TPC San Antonio but just a minute or so later he had extended that lead to four with a holed tee shot at the 167 yard par 3.
South Korean Kim - who became the youngest victor of the Players Championship in 2017 - carded a three-under-par 69 on Saturday.
Jordan Spieth has not recorded a top ten on the PGA Tour since the Open Championship previous year but this week, back on a golf course on which he finished runner-up the last time he played the event, he is within striking distance heading into the weekend.
The 38-year-old fired an opening round three-under 69 to sit in a tie for 17th, three shots behind the leader Si Woo Kim.
Also at 4 under after 68s are Morgan Hoffmann, Danny Lee, Ryan Moore, Ted Potter Jr., Scott Stallings and Chris Stroud. On his final five birdies, only one came with a putt from more than 12 feet.
"A solid day of golf and some good work", Fowler said. This season he has finished second in the Sanderson Farms Championship and after Monday qualifying was third at the Sony Open. He recovered from a three-putt bogey at the 15th with a pitch shot to inside three feet to set up birdie at No. 17.
"It's not like there's a spark and all of a sudden you just win every event, this is progress this is part of a career", Spieth added.
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It's Kim's fourth appearance in this event.
He's not been at his best lately. He was soundly beaten in three matches at last week's Match Play. He's gone 26 holes without a bogey and has nine birdies along with the ace.
Fowler had a share of the early lead with two holes to play. He bogeyed the par-4 1st hole for the second time this week after going mistake-free Friday.
He won the Waste Management Phoenix Open in February and was tied for second when Keith Mitchell sank a final-hole birdie to win the Honda Classic on the Florida swing.
"It was a big number (250 yards) to get it to the front of the green", Hoffman said. This time, the ball rolled past the hole to inside four feet for what looked like an easy birdie.
However, Spieth has been out-of-sorts this year, so he was in an upbeat mood after his round.
Jordan Spieth is looking for his first victory since the 2017 British Open.