OAKLAND, Calif., April 3 (Ticker) -- Jason Richardson and Mike Dunleavy Jr. prevented the Seattle SuperSonics from celebrating a division title.

Richardson scored 22 points and Dunleavy added 13 of his 19 in the fourth quarter as the Golden State Warriors extended their winning streak to a season-best five games with a 101-92 victory over the SuperSonics.

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Seattle (50-23) would have claimed the inaugural Northwest Division title and the team's first division crown in seven seasons with a victory.

"We're definitely trying to clinch that title so we're still working on that," said Sonics guard Ronald Murray, who scored nine of his 13 points in the second quarter. "We took one (loss) tonight but we still have a couple of more games left so we still have a chance to do it."

Winners of eight of of their last nine games, the Warriors never were headed after the 2:42 mark of the first quarter. Golden State led, 50-41, at halftime behind 16 points from Richardson.

Seattle got as close as six points on two occasions in the latter stages of the fourth quarter before Dunleavy connected on three baskets from the arc to seal the victory.

"That's key and I think we've been doing a really good job on the road of beating teams and closing them out," Dunleavy said. "We haven't done so well at home, but tonight we did and it just felt good in front of the home crowd to have an exciting win like this."

"We know that," Sonics coach Nate McMillan said. "We didn't play well enough to win this game. You do the things you've been doing all season long. They've done that and won games doing that so it's one game we didn't play well. We didn't play together. Defensively, we didn't do a good job."

Baron Davis, whose acquisition at the trading deadline has been the catalyst for the Warriors' resurgence, collected 19 points and nine assists.

"We're going to do everything in our power to make us playoff material next year," Davis said. "We're not looking at our record. Every time we step out on that floor, we want to win, and that's the attitude that you have to develop in order to get to that next step."

Golden State has been a thorn in the side of playoff teams it has faced during its resurgence, posting victories over Phoenix, Sacramento, Philadelphia and Washington.

"That's our goal, to spoil everybody for the rest of the season," Richardson said. "Teams that are in the playoff race that are fighting for positions, we're going to go out there and mess positions up, so this is one more victory or, I like to say, a trophy that spoils somebody's opportunity to win something."

"At this point in the season, no matter how many we win the rest of the way, we're not going to the playoffs," Warriors coach Mike Montgomery said. "Right now, the guys are motivated by the fact that they enjoy playing with one another, and proving to some of these playoff teams that we can play at their level."

Ray Allen scored 27 points but made just 10-of-27 shots as the SuperSonics shot 35 percent (30-of-87).

"We didn't play like we have been all year - sharing the ball and getting the looks we get most of the time when we win," said Luke Ridnour, who was 4-of-12 from the field. "(Today was) a lot more 1-on-1 and it's not a fluid game."

"They made more shots than us," Murray said. "We had a lot of open looks. We didn't knock down a lot of shots tonight."