The 2017 DP World Tour Championship winner Jon Rahm and his partner Ryan Palmer are tied for the lead going into the final round of the Zurich Classic.
The two are on 23 under par alongside the team of Scott Stallings and Trey Mullinax.
Meanwhile, the all-South African duo of Branden Grace and Justin Harding are a shot back.
The final round gets underway later Sunday.

Sri Lanka crush Oman for second victory in T20 World Cup
Messi suffers muscle strain, Miami reschedule preseason finale
Man City and Villa close gap on Arsenal, Liverpool edge Sunderland
Djokovic withdraws from Doha with fatigue
Rutherford and Motie shine as West Indies sink England
