Bennedict Mathurin led a balanced scoring attack with 13 points off the bench, Jordan Brown added 12 points, and Arizona routed Washington 80-53 on Thursday night.
The Wildcats (8-1, 2-1 Pac-12) nearly had five players finish in double figures, jumping to a big first-half lead and using an early run in the second half to blow the game open. The Wildcats led by as many as 30 in the closing seconds.
Ažuolas Tubelis and Terrell Brown Jr. both finished with 10 points and three other Wildcats scored at least eight.
It was the first game for the Wildcats since announcing there would be no postseason opportunities for Arizona this season. The school announced Tuesday it was imposing a one-year postseason ban related to its long-running NCAA rules infractions case.
Washington (1-7, 0-3) lost its fourth straight and second in a row in blowout fashion to a conference opponent. The Huskies were thumped by Colorado 92-69 in their last game prior to Christmas.
Quade Green led the Huskies with 23 points but no other Washington player scored more than seven. Washington shot 31% for the game and just 27% in the second half.