WASHINGTON, Nov. 12 (Ticker) -- Gilbert Arenas came up just shy of having a career night.

Arenas scored 18 of his 43 points in the third quarter as the red-hot Washington Wizards rolled to a 110-95 victory over the defending champion San Antonio Spurs.

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It was the second straight huge night for Arenas, who scored 32 points on 11-of-16 shooting in Friday's 137-96 rout of Seattle. The speedy guard continued his sharpshooting in this one, making 15-of-20 shots in falling one point shy of his career high.

Arenas dominated the third quarter, ending the period with a running 3-pointer to give Washington an 85-78 lead.

"I was in a groove a little bit and we got 'em," said Arenas, who made 4-of-8 3-pointers. "We just wanted to keep it close against the champions and try to pull it out in the end, and that's what we did tonight."

Antawn Jamison scored 19 points and grabbed eight rebounds and Caron Butler added 17 points for the Wizards, who have won five of their first six games. Washington last started 5-1 in 1989-90.

"Our chemistry is coming together more and more," Butler said. "Guys are getting more familiar and more comfortable with each other's games and sky's the limit for this ballclub."

Manu Ginobili scored a season-high 28 points and Tony Parker had 23 and six assists for the San Antonio, which completed a 3-2 road trip.

"Their coach gave them a lot of room this year, so (Ginobili) and Parker have a lot more freedom and they are a lot harder to guard than they were in the past," Arenas said. "Parker's coming at you full speed everytime down the floor so he keeps you on your toes."

Spurs two-time Most Valuable Player Tim Duncan made just 3-of-18 shots. He finished with 11 points and 14 rebounds.

"It was a very frustrating night on both ends of the floor," Duncan said. "They hit some tough ones all night and Arenas was incredible. I couldn't get anything to fall for myself. It was just a long night. We compounded them playing well with myself playing very, very badly."

"Brendan Haywood, Jared Jeffries and Michael Ruffin did a terrific job on Tim Duncan," Wizards coach Eddie Jordan said.

Trailing 53-52 at the half, the Wizards opened the third quarter with a 13-5 run to take the lead for good.

"The Wizards did a great job," Spurs coach Gregg Popovich said. "They were very aggressive offensively. Arenas was unstoppable. We tried everyone to guard him and he was great."