EUGENE, Ore. (AP) -- E.J. Singler scored 23 points, Oregon made a season-high 11 3-pointers, and the Ducks held on to defeat Washington State 78-69 on Saturday.
Devoe Joseph and Garrett Sim also scored 16 points each for the Ducks (18-7, 9-4 Pac-12), who have recorded their most wins in conference play since going 9-9 in 2008.
Brock Motum scored 17 to pace the Cougars (13-12, 5-8). Mike Ladd added 13 points and Reggie Moore also scored 12. Oregon made 11 of 20 3-pointers, including four in the final six minutes to pull away from a 58-all tie. Singler and Sim had four 3s apiece.
The Ducks led 36-33 at halftime and the game featured 13 ties and nine lead changes, with the last coming on a 3-pointer by Sim with 6:00 to play that put the Ducks up 61-58.
Oregon shot 55.3 percent from the field overall, while the Cougars made 51 percent of their shots. In two wins against Washington State this season, the Ducks have shot 62.5 percent from the field (60 for 96).
After nine ties in the first half, Joseph put the Ducks up 30-29 with a jumper at the 4:54 mark that made it 30-29 and Oregon led 36-33 at halftime. The Cougars regained the lead near the midway point of the second half when Abe Lodwick capped an 11-2 run with a 3-pointer to make it 53-50 with 10:58 remaining.
The teams then traded baskets before Sim and Joseph hit back-to-back 3-pointers to make it 64-58. The Cougars cut the Ducks' lead to 67-64 with 3:13 to play when Sim answered with another 3 and Carlos Emory scored on a putback to put Oregon up 72-64 with 1:34 left.
