Aaron Gordon and Rondae Hollis-Jefferson scored 18 points each, and Arizona looked every bit the No. 1 seed in the West while blowing out Gonzaga 84-61 on Sunday.
Gonzaga went into last year's NCAA tournament as the No. 1 overall seed and the pressure took its toll, sending the Zags home after two games.
Kevin Pangos scored 26 points and Gary Bell Jr. added 17 for eighth-seeded Gonzaga, which beat Marcus Smart and the ninth-seeded Oklahoma State Cowboys 85-77 in the West region of the NCAA tournament on Friday.
Washington State has fired men's basketball coach Ken Bone after five seasons during which he was unable to sustain the success of his predecessor Tony Bennett.
The Gonzaga men's basketball team meets Oklahoma State in the second round of the NCAA tournament on Friday at Viejas Arena in San Diego.
Stacey Barr had 28 points, including 11 in the final three minutes to lead Idaho over Seattle in the Western Athletic Conference tournament championship game 75-67 on Saturday and an automatic bid to the NCAA tournament.
Washington and Texas will become the first teams in any major U.S. sport to play a regular season game in China when they meet in 2015.
Delon Wright scored 15 points and Jordan Loveridge added 13, helping Utah hold off Washington 67-61 in the opening round of the Pac-12 tournament on Wednesday.
Sam Dower Jr. had 20 points and 13 rebounds, and Gonzaga held its ground during a second-half rally to beat BYU 75-64 Tuesday night for its 13th West Coast Conference title.
Chasson Randle scored 22 points, Josh Powell added 16 and sixth-seeded Stanford used a big second-half run to pull away for a 74-63 win over Washington State in the first round of the Pac-12 tournament Wednesday night.
A Washington State football player has been arrested in connection with a campus fight in which two people were struck.
State Sen. Michael Baumgartner, R-Spokane, wants to rekindle one of the state's best basketball rivalries.
Que Johnson scored 14 points and hit four 3-pointers to help Washington State rout UCLA 73-55 Saturday night and secure an 11th-place Pac-12 Conference finish.
David Stockton sank the game-winning layup with 2 seconds left Saturday night to lift top-seeded Gonzaga past No. 9 seed Santa Clara in the West Coast Conference tournament quarterfinals.
C.J. Wilcox scored 24 points in his final regular-season game and Andrew Andrews added 19 as Washington held off a late charge from Southern California for an 82-75 win Saturday.