Durant, who moved to 96th on the official ranking, posted a tournament total of 36-under-par 324 to break the previous five-day mark of 325 set by Tom Kite in the 1993 Bob Hope event.
Durant also established a new 72-hole record for most strokes under par in a PGA Tour event, making it to 29-under through Saturday's fourth round. The previous record of 28-under was set by John Huston in the 1998 Hawaiian Open and matched by Mark Calcavecchia in the Phoenix Open last month.
Top-ranked Tiger Woods will look to bring his seven-event winless streak to an end this week at the Nissan Open near Los Angeles. Woods was a runner-up at Riviera in 1999 and in '98 when the event was played at Valencia Country Club.
Buick Invitational champ Phil Mickelson retained his second-place ranking, while Ernie Els stayed in third place and David Duval in fourth.
Davis Love III jumped one spot to fifth, trading places with England's Lee Westwood. Love is first on the PGA Tour's season money list with three top-10 finishes including a win at the Pebble Beach National Pro-Am and a second at the Buick.
Scotland's Colin Montgomerie and Vijay Singh of Fiji, both winners this past weekend, held their positions in seventh and eighth, respectively. 'Monty' captured the Australian Masters, his first victory Down Under, while Singh survived a three-hole playoff for the title at the Malaysian Open.
Darren Clarke of Northern Ireland remained in the ninth spot, followed by Hal Sutton in 10th.
Tom Lehman and Jim Furyk exchanged places, with Lehman stepping up to 11th and Furyk, the Mercedes Championships winner, dropping to 12th. Nick Price was next in 13th place, followed by Sergio Garcia and Jesper Parnevik.
New Zealand's Michael Campbell was No. 16, followed by Stewart Cink, Mike Weir and Thomas Bjorn.
Ireland's Padraig Harrington, who fell to Singh in the playoff at the Malaysian Open, moved up three spots to No. 20.
The biggest mover within the top-100 was Brad Faxon, who won the Sony Open in January and tied for fourth Sunday at the Bob Hope Classic. Faxon vaulted nine spots, from No. 48 to No. 39.
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