Caddie Steve Williams, left, high-fives Tiger Woods after his second shot from the 18th fairway during the third round of the Chevron World Challenge in Thousand Oaks, Calif., Saturday.

THOUSAND OAKS, Calif. — Tiger Woods is one round away from ending his worst year with a familiar finish.

Woods regained control with three straight birdies early in his round, then finished with a shot that covered the flag for a tap-in birdie Saturday that gave him a 4-under 68 in the Chevron World Challenge.

It was the first time all year that Woods has posted four straight rounds in the 60s, dating to his final-round 65 in Australia. What mattered was keeping his four-shot lead over U.S. Open champion Graeme McDowell, who also had a 68.

No one else was within eight shots of the lead.

“I’m excited about tomorrow because of the way I’m playing,” said Woods, who has never lost a tournament that he has led by at least three shots going into the final round.

Woods, who has gone more than a year without winning — or even close to winning — was at 17-under 199. He won the last two times he played Sherwood Country Club, where he is the tournament host, missing in 2008 after knee surgery and last year when his personal life was caving in around him.

But after eight months of looking like an ordinary player, he is starting to resemble the guy who has won 82 times around the world and 14 majors. It was his lowest score and largest lead after 54 holes since the BMW Championship last year, which he won by eight.

McDowell, trailing by four going into the second round, quickly closed within a shot with a two-putt birdie on the second and daring tee shot to the top-right hole location on the par-3 third.

Woods quickly pulled away. He hit a blast-and-run from a plugged lie in the bunker on the par-5 fifth to 2 feet, rolled in a fast 20-foot birdie on the sixth and then covered the flag on the seventh to about 3 feet. Just like that, his lead was back to five.

The back nine could have gone either way. Woods was in trouble off the tee at the 11th, put picked it clean off the dirt to about 12 feet for a two-putt birdie to keep his lead at four shots. He looked to expand that lead when McDowell hit out-of-bounds on the par-5 13th, but he somehow managed a par.

On the next hole, McDowell had 6 feet for birdie and Woods was 20 feet away for par. Woods made, McDowell missed.

That’s why Woods is taking nothing for granted going into the final round. Sherwood is the kind of course where low scores are available because of the five par 5s, but it’s easy to post a big number if a player gets out of position.

Dustin Johnson found that out the hard way, playing the final four holes in 7 over for an 80 that left him at the bottom of the pack.

Woods appears to be making big strides toward getting his game back. He still sees it as baby steps.

“Since the PGA, there has been incremental progress, little stepping stones along the way,” he said.

McDowell has reason to see it differently. He played with Woods the first two rounds in the HSBC Champions at Shanghai, when Woods fell out of the hunt quickly with errant shots and suspect putting.

This was a different Woods he saw Saturday under a cloudy sky.

“I thought the ‘wide’ was still there,” McDowell said of Woods’ tee shots in Shanghai. “I thought he controlled it very well today. He really only had one bad drive, and he’s so impressive around the green. He’s the best there ever was around the greens.”

Also on Saturday:

Westwood extends lead in South Africa

SUN CITY, South Africa — Top-ranked Lee Westwood shot a 1-under 71 to lead by five strokes after the third round of the Nedbank Golf Challenge. His closest challenger and fellow Englishman Ross Fisher finished with a 73 on a hot day, made tougher by a swirling wind around the Gary Player Country Club. Westwood mixed two bogeys with three birdies to reach a 13-under total of 203. Fisher was tied for second with South Africa’s Tim Clark, who shot a 68, one of two sub-70 rounds in the 12-player invitational tournament.

Australian in front at home

SYDNEY — Australian star Geoff Ogilvy shot a 5-under 67 to increase his lead to five strokes after the third round of the Australian Open. Ogilvy, the 2006 U.S. Open champion, had a 16-under 200 total at The Lakes. Australia’s Matt Jones, a stroke behind Ogilvy after two rounds, was second after a 71.

Martin still on top at Q-School

ORLANDO, Fla. — Ben Martin had a 3-under 69 and saw his lead shrink to one shot during the fourth round of the final stage of PGA Tour qualifying. Martin was at 16 under 270 as he tries to finish among the top 25 at Orange County National — those players earn a PGA Tour card for 2011. James Driscoll is at 271 after shooting a 66. The six-round tournament concludes on Monday.

Furyk wins PGA Tour player of the year

THOUSAND OAKS, Calif. — Jim Furyk has been voted the PGA Tour player of the year for the first time on the strength of his three victories and capturing the FedEx Cup.

Furyk, who had gone more than two years without winning, ended his long drought at the Transitions Championship. He also won The Heritage at Hilton Head, then capped off his big year by winning the Tour Championship.

It’s the second straight year that the PGA Tour player of the year did not win a major. Tiger Woods did it last year and in 2003. Also on the ballot were Matt Kuchar, Phil Mickelson, Dustin Johnson and Ernie Els. The tour does not release vote totals from the players.

It was the second major award for Furyk. He also won the Vardon Trophy in 2006 when Woods did not play the required number of rounds.