Kevin Na has a slim lead after three rounds of the Charles Schwab Challenge.
The American has a two-shot lead over five players including Tony Finau, Jordan Spieth and Jim Furyk.
The final round gets underway later on Sunday.
Na tees-off alongside Mackenzie Hughes at 10:05 pm UAE time.

Alcaraz reaches first Paris Masters final, will face Shelton
New Zealand maintain unbeaten record against Scotland with big win
Formula One extends Sao Paulo contract to 2035
South Africa thump Italy to stay perfect in Nations Championship
Okafor secures Leeds win at home to Tottenham after red-card controversy
