The Portland State Vikings sit third in the Big Sky after a 70-68 victory over North Dakota at Stott Center gave them a four-game homestand sweep.
Center Thomas van der Mars had a career-high 28 points, with 11 rebounds, as the Portland Pilots won 76-64 at Santa Clara.
The Oregon Ducks, lacking on defense most of the season, forced 22 turnovers in beating USC 78-66 at Matthew Knight Arena on "Appreciation Knight" to honor supporter Phil Knight.
Lewis & Clark fell to 5-5 in the Northwest Conference with a 60-56 homecourt loss to Puget Sound.
Concordia lost 82-80 at Eastern Oregon on a jump shot by Tony Eackles, Jr., with five seconds remaining.
Warner Pacific fell to 70-61 at 10th-ranked College of Idaho.
Vikings prevail at home
Portland State shot a season-high 61.4 percent from the field to overcome 19 turnovers and beat visiting North Dakota.
The Viks completed a 4-0 homestand that lifted them from a seventh-place tie in the Big Sky to third place in the conference. PSU is 6-4 in league and 11-8 overall.
Ten steals helped the Vikings control most of Saturday's game. But UND turned over the ball with 10 seconds left, giving North Dakota a chance to tie or win outright. The visitors were able to get only a 30-foot try from Aaron Anderson, and his shot bounced off the front rim as time expired.
Guard Gary Winston had his second consecutive 19-point outing for PSU. He was 7 of 8 from the field.
Guard DaShaun Wiggins tallied 18 points off the bench, with three steals. His driving basket with 49 seconds to go gave the Vikings a 70-66 lead.
Big men Kyle Richardson and Brandon Cataldo combined for 20 points and 11 rebounds, making 9 of 12 field-goal attempts.
North Dakota shot 46.4 percent from the floor but slipped to 6-4 in the Big Sky and 9-11 overall.
Weber State leads the conference at 8-2, with Northern Colorado 7-3. Then come PSU, UND and Northern Arizona at 6-4, Montana State at 5-4 and Montana at 4-5.
Pilots cruise past Broncos
Center Thomas van der Mars, guard Kevin Bailey and forward Ryan Nicholas paced Portland in a 76-64 win at Santa Clara.
Van der Mars made 9 of 10 from the field and 10 of 10 from the free-throw line en route to his career-best 28 points He also had 11 rebounds.
Bailey became the 36th player in UP history to reach the 1,000-point milestone. He was at 997 going into the game, and the junior hit the mark early in the second half on the way to his 10-point night.
Nicholas got his eighth double-double of the season, with 13 points and 10 rebounds.
The Pilots improved to 13-10 overall, 5-6 in the West Coast Conference.
The Broncos tumbled to 10-14, 3-8.
Portland's next game will be the rematch with WCC leader Gonzaga (20-3, 10-1), 8 p.m. Wednesday at Spokane, Wash. The Pilots knocked off the Bulldogs 82-73 on Jan. 9 at Chiles Center.
Oregon gets first Pac-12 home victory
The Ducks made a Matthew Knight Arena-record 16 steals, one shy of the school record, as they beat USC 78-66.
Oregon's first conference win at home lifted the team's overall record to 15-6 and put the Ducks at 3-6 in the Pac-12.
Joseph Young led Oregon with 21 points, Jason Calliste added 18 points, and former Grant High star Mike Moser contributed 13 points, six rebounds, four assists and two steals.
USC fell to 10-12, 1-8.
Lewis & Clark falls at home
A 60-56 loss to visiting Puget Sound dropped Lewis & Clark to fifth place in the Northwest Conference.
L&C is 5-5 in the NWC and 12-7 overall. UPS climbed to 7-3 in league and 11-8 for the season.
The top four teams qualify for the league tournament, and the Pioneers trail fourth-place George Fox (6-4) by one game.
Kurt Parker's 12 points off the bench led the Pios, who also got 11 points from Connor Freeberg and a team-high eight rebounds out of Bradley Carter.
Concordia loses at the end
The Cavaliers finished empty-handed on their road weekend, as Eastern Oregon shot 58.9 percent from the field and made the winning jumper with five seconds left in an 82-80 game at La Grande.
Willy Ligon of the Cavs shared game-high scoring honors with 19 points.
Concordia, which also got 14 points from Adam Herman, hit 53.7 percent from the field.
The Cavaliers fell to 7-5 in the Cascade Collegiate Conference, good for fifth place. They are 18-6 overall.
EOU is 5-8 in the CCC, 14-9 overall.
Warner Pacific loses third in a row
The Knights of Southeast Portland gave 10th-ranked College of Idaho a run at Caldwell, Idaho, and led 46-43 with 11 minutes to go, but the Yotes pulled out their 20th win in 25 games this season.
Ryan Parks led WP with 18 points, but the Knights shot just 21 percent from the floor in the second half.
C of I leads the Cascade Collegiate Conference with a 10-2 record. Northwest is second at 8-4, followed by Southern Oregon and Northwest Christian, both 8-5. Concordia is fifth at 7-5, with Warner Pacific 6-6, Oregon Tech 6-7, Eastern Oregon 5-8, Evergreen State 2-10 and Corban 2-11.