Kevin Pangos scored 27 points and Drew Barham added 17 to lead the 13th-ranked Bulldogs to a 90-74 victory over Washington State.
David Stockton had nine assists and Barham added eight rebounds for the Zags.
Pangos shot 8 of 13 from the field, including 5 of 8 on 3-pointers, as Gonzaga (4-0) scored at least 90 for the third time this season.