American Brendon Todd holds a one-shot lead going into the final round of the World Golf Championships (WGC)-FedEx St. Jude Invitational.
Todd, who led by two shots at the halfway point of the event in Memphis in Tennessee, carded a one-under-par 69 on third-round day to maintain his lead at 12 under par.
After opening his round with a birdie at the first, Todd dropped a shot at the fifth before another birdie at the eighth hole.
He started the back nine with a bogey, before making consecutive birdies at 12 and 13.
An inconsistent round for the 35-year-old continued with bogeys at 14 and 17, interspersed with a birdie at 16, to help him shoot 71.
South Korea's An Byeong-hun is one shot behind leader Todd at 11 under par, after carding a third-round 66.
An enjoyed six birdies at TPC Southwind including four in a row on the back nine, although his scorecard was blotted by a double bogey on the par-three 11th.
In third place is American Rickie Fowler, who shot a 69 to close on 10 under par.
Leader after the first round, fellow American Brooks Koepka, is a shot further back on nine under par, after he carded a 68.
The United States dominate the top end of the leaderboard, with Justin Thomas in fifth place at eight under par, after he shot a four-under-par round of 66.
There is then a four0way tie for sixth place at seven under par, which includes American Phil Mickelson, who also shot a 66.
Below them there is a seven-way tie for 10th place at six under par, including England's Tom Lewis, who shot the best round of the day, a nine-under-par 61, to catapult himself 47 places up the standings.
Lewis made 10 birdies through his first 16 holes, with his only dropped shot coming when he bogeyed the last.