Jon Rahm was made to pay for a sluggish start to the final round at Torrey Pines as he finished a shot behind Marc Leishman.
Tiger Woods needs plenty to go his way at Torrey Pines on Sunday, but luck was against him at the second hole.
Lucas Herbert held his nerve to win a play-off against Christiaan Bezuidenhout after the duo carded final rounds of 68 in Dubai.
Deciding he needed a new plan after three challenging days, Sebastian Soderberg set about breaking a record in Dubai.
As he seeks PGA Tour history, Tiger Woods made an impressive start to his third round to gain four shots on the leaders.
China's three-time European Tour winner Wu Ashun held a four-shot lead at one stage but heads into the final round in Dubai ahead by one.
A brilliant 10-under 62 put Ryan Palmer in control of the Farmers Insurance Open.
Lee Westwood enjoyed a huge improvement in round two to make the cut in Dubai, where Eddie Pepperell holds a one-shot lead.
Keegan Bradley and Sebastian Cappelen carded six-under 66s to share the Farmers Insurance Open lead.