Robert Franks and CJ Elleby each reached the 20-point plateau in the victory.
PULLMAN, Wash. (AP) Robert Franks scored 22 points as Washington State beat Idaho 90-70 on Wednesday night.
Freshman CJ Elleby had 20 points and eight rebounds for Washington State (5-2) and Ahmed Ali added 14 points in 18 minutes.
Trevon Allen scored 17 points with seven rebounds for Idaho (3-5).
Elleby scored 10 of the last 13 first-half points, giving the Cougars a 45-40 halftime lead.
The Cougars went on an 11-0 run in the first four minutes of the second to push their lead to 16 points.