Lute Olson is congratulated after earning his 600th career victory

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Jason Gardner had 22 points, including consecutive 3-pointers during an 18-4 run to open the second half, and Loren Woods added 16 points, 12 rebounds and four blocks as the Wildcats (13-2, 2-0 Pac-10) survived a frantic Stanford rally down the stretch.

Stanford nearly overcame a 10-point deficit in the final 30 seconds, pulling within 66-65 on David Moseley's long 3-pointer with 3 seconds left. But Gardner calmly sank two free throws for the final margin.

Moseley had 14 points, Jarron Collins had 13 and twin brother Jason Collins had 11 for Stanford (12-1, 1-1), which has lost 20 of its last 24 against Arizona.

It was the second time in recent years Arizona has knocked off the nation's top-ranked team. The Wildcats' previous game against a No. 1 team was an 85-82 victory over Kansas in the 1997 NCAA tournament, which Arizona went on to win.

It also was the second time Arizona has snapped a long Stanford unbeaten streak to start a season. Two years ago, Stanford was 18-0 and ranked third in the nation when it was beaten 93-75 at home by sixth-ranked Arizona.

Olson became the 33rd college coach with 600 victories.

Thanks to tenacious defense by Woods, Gardner, Michael Wright and Luke Walton, son of former UCLA and NBA star Bill Walton, Arizona took control by holding Stanford to four points in the opening eight minutes of the second half.

Trailing by two at halftime, the Wildcats opened the second half with their 18-4 run, featuring the consecutive 3-pointers by Gardner and a spinning hook by Woods, to give Arizona a 47-35 lead with 12:16 remaining.

The Cardinal responded with six points, bridging a brief timeout to repair a hole in the floor just in front of the Stanford basket, to pull within 47-41. But Woods hit a layup and Gardner added a three-point play on a finger roll with 8:13 left to make it 52-41.

A layup by Gilbert Arenas gave Arizona a 58-46 lead with 4:38 remaining, and another layup with 3:25 left to make it 60-51. Two free throws by Woods gave Arizona a 65-55 lead with 30 seconds remaining.

Mark Madsen struggled in his first start for Stanford since mid-November. He had just two points and went 1-for-7 from the field, missing several layups and tip-ins.

Madsen started for the first time since the season opener on Nov. 11, a game in which he strained his right hamstring. He missed the following eight games and came off the bench in three games after returning.

Also struggling for the Cardinal was leading scorer Casey Jacobsen, who missed all six of his 3-pointers and scored five points _ nine below his season average. Stanford went 6-for-25 on 3-pointers in the game.

Arizona's Richard Jefferson injured his right foot going for a rebound in the third minute of the game and was taken to Stanford Hospital for X-rays, leaving the Wildcats with just seven available scholarship players. The prognosis for Jefferson was not immediately known.

Moseley hit two 3-pointers and had eight points as Stanford took a 31-29 halftime lead. The Cardinal had a nine-point lead three times in the opening half, but the Wildcats finished the period with a 12-5 run that including five points by Arenas.