The 48-26 lead at the break was WSU's (13-10, 6-10) highest scoring half and biggest lead in Pacific-12 Conference play this season and Williams' 24 points were the most scored by a Coug in a half this season, surpassing the 21 put up by Isaac Bonton.
DJ Rodman and Andrej Jakimovski each scored 11 for Washington State, and Efe Agobidi added 10 points and eight rebounds. The Cougars were 52% shooting (30 of 58) and buried 12 of 23 from behind the 3-point arc.
The Cougars had 22 assists on 30 field goals, their first 20-assist game since Feb.