From the outright lead to scraping inside the top 20 for Steven Alker in the first round of the PGA Tour's event in Mississippi.
The Kiwi golfer was sitting pretty at six-under through 13 holes atop the leaderboard before three bogeys in his last five holes saw him slump to three under for the round.
Alker is in a share of 19th as it stands, four shots off the pace set by Irishman Seamus Power.
Fellow New Zealander Tim Wilkinson has carded a three-over 75 to be 106th.
The PGA's elite men's players are playing the WGC event in Shanghai which Sweden's Rikard Karlberg leads by a shot from American Rickie Fowler.