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Los Angeles • Bryce Alford scored 26 points, including 10 straight in the second half, and No. 6 UCLA beat Southern California 102-70 on Saturday night, snapping a four-game skid against its crosstown rival while improving to 5-0 in February.

Playing their first game in six days, the Bruins (22-5, 9-5 Pac-12) avenged an 84-76 loss at USC last month. They are 14-1 at home.

TJ Leaf added 19 points and Thomas Welsh had 16 points and a career high-tying 16 rebounds for the Bruins, who handed USC its worst loss of the season.

Bennie Boatwright had 20 points and 10 rebounds points for the Trojans (21-6, 8-6).

No. 5 Arizona 76, Washington 68 • In Seattle, Lauri Markkanen had 26 points and 13 rebounds, Allonzo Trier scored a season-high 21 points and the Wildcats held off a challenge from the Huskies.

Arizona (25-3, 14-1 Pac-12) remained on top of the conference standings and won its fourth straight. The Wildcats did it short-handed, with starters Dusan Ristic and Kadeem Allen out because of injuries.

Markelle Fultz scored 26 points, but the Huskies (9-18, 2-13) had no field goals over the final 4:41 of the game.

No. 7 Oregon 101, Colorado 73 • In Eugene, Ore., Dillon Brooks scored 23 points and No. 7 Oregon extracted some revenge for Colorado's upset of the Ducks earlier this season.

Dylan Ennis added 20 points for the Ducks (24-4, 13-2 Pac-12), who won their 42nd straight home game. It is the longest active home winning streak in the nation.

George King led Colorado (16-12, 6-9) with 16 points in the loss, which snapped a three-game winning streak.

Washington State 86, Arizona State 71 • In Pullman, Wash., Ike Iroegbu finished with 17 points, eight rebounds and seven assists to help the Cougars (12-15, 5-10 Pac-12) overcome an early 12-point deficit and beat the Sun Devils (13-15, 6-9).

The Cougars nabbed their first season sweep of a conference opponent since 2011-12. —

Pac-12 standings

Conference Overall

W L W L

Arizona 14 1 25 3

Oregon 13 2 24 4

UCLA 11 3 24 3

California 9 5 18 8

Southern Cal 8 6 21 6

Utah 8 6 17 9

Colorado 6 9 16 12

Arizona St. 6 9 13 15

Stanford 5 9 13 13

Washington St. 5 10 12 15

Washington 2 13 9 18

Oregon St. 0 14 4 23

Friday's game

Stanford 73, California 68

Saturday's games

Oregon 101, Colorado 73

Washington St. 86, Arizona St. 71

Arizona 76, Washington 68

UCLA 102, Southern Cal 70

Sunday's game

Utah at Oregon St., 6:30 p.m.