Mark Lyons and Solomon Hill both added 10 points for the Wildcats, who won their second straight after losing at home to UCLA.
Arizona trailed 48-46 with 4:34 left after C.J. Wilcox hit Washington’s first 3-pointer of the game. The Wildcats (18-2, 6-2 Pac-12) then closed on an 11-5 run.
Wilcox and Scott Suggs both scored 11 points to lead Washington (12-9, 4-4), which has lost four straight for the first time since 2008.
The Huskies, who finished 1 of 12 on 3-pointers, committed 17 turnovers.
SAINT LOUIS 75,
No. 9 BUTLER 58
ST. LOUIS — Jordair Jett matched his career best with 19 points and Saint Louis pressured Butler into a season-worst 23 turnovers to record the program’s biggest upset in nine years.
Dwayne Evans added 15 points on 6-for-8 shooting and five rebounds for the Billikens (15-5, 4-2 Atlantic-10), who fed off just the fourth sellout at 5-year-old Chaifetz Arena and led by double digits most of the game. Saint Louis shot 50 percent.
Rotnei Clarke had 17 points for Butler (17-4, 4-2) but also had five turnovers. Andrew Smith added 12 points and six rebounds for the Bulldogs, who have lost four games this season, three by 15 or more points.
The Bulldogs are Saint Louis’ biggest victim since a 1-point upset over No. 2 Louisville on Feb. 12, 2003 at the Scottrade Center.
Jett was 8 for 12 with two 3-pointers.
No. 13 MICHIGAN STATE 80,
EAST LANSING, Mich. — Keith Appling led a pivotal run early in the second half and finished with 24 points and seven assists to lead Michigan State.
The Spartans (18-4, 7-2 Big Ten) scored the first 14 points of the second half to take their first lead.
The Fighting Illini (15-7, 2-6), who were ranked as high as 10th, lost for the fifth time in six games.
Freshmen Gary Harris and Denzel Valentine both scored 14 points, Braden Dawson had 12 points and nine rebounds and Adreian Payne added eight points.
Tracy Abrams scored 16 points for Illinois while D.J. Richardson had 14, Brandon Paul 13 and reserve Myke Henry 11.
Alabama 59, Arkansas 56
TUSCALOOSA, Ala. — Trevor Lacey and Levi Randolph hit 3 of 4 free throws in the final 17 seconds and Alabama held on for a victory over Arkansas.
Lacey scored 14 points for the Crimson Tide (13-7, 5-2 Southeastern Conference), which held on for a fifth win in six games after losing 54-53 at Tennessee when he couldn’t get off a final shot.
BJ Young hit a layup with 5 seconds left and then missed a 3-pointer at the buzzer for Arkansas (12-8, 3-4) after Randolph made two free throws.
Young, who led Arkansas with 14 points, managed to get a shot off with a behind-the-back dribble but overshot the rim.
Lacey had six rebounds but also committed seven of Alabama’s season-high 21 turnovers. Trevor Releford added 12 points and Nick Jacobs had 10 for Alabama.
Marshawn Powell had 11 points for the Razorbacks before fouling out.