Josh Huestis and Anthony Brown each scored 15 points and Stanford ran away from Washington State, 80-48, Wednesday night.
Dwight Powell added 10 points for the Cardinal (11-5, 2-2 Pac-12), who won their second straight and six of eight overall. Marcus Allen added 11.
Que Johnson scored 21 points to lead the Cougars (8-9, 1-4), who lost their fourth in five games. Royce Woolridge added 13 points.
The Cougars played without their leading scorer DaVonte Lacy, who missed his third straight game with a rib injury. He's missed five of the past six Washington State contests.
Stanford led by as many as 32 points in the second half.
Huestis was 0 of 7 from the floor in Stanford's victory at Oregon on Sunday. He showed up to play against the Cougars, sporting a new hairstyle and hitting 7 of 10 shots overall.