BOULDER, Colo. -- Josh Scott scored a season-high 26 points and Colorado overcame his two late turnovers to beat No. 9 Arizona 75-72 on Wednesday night.
George King added 14 points and Josh Fortune had 13 for Colorado (20-9, 9-7 Pac-12), which snapped a six-game losing streak to Arizona (22-6, 10-5) while securing its ninth 20-win season and fifth in six years.
There were 11,309 fans in Boulder for the game, third largest crowd in Coors Events Center history. They stormed the court after the Buffs win.
Ryan Anderson had 19 points to lead Arizona, which had its six-game winning streak snapped. Allonzo Trier added 15 points.
Colorado had the 75-72 edge with 26 seconds left when Scott lost the ball driving in traffic. Arizona turned the ball back over, but then with 9 seconds left, Scott was called for traveling under defensive pressure.
Trier tried a 3-pointer at the buzzer but hit the back of the rim and missed.
After leading by four at the break, the Buffaloes moved in front 56-45 after Scott converted a three-point play with 14:21 left. Arizona responded with a 9-3 burst to prevent the game from getting out of hand, but Colorado withstood the pressure, leaning on a series of driving layups by Scott to stay in front. His leaning layup with 3:32 remaining put the Buffaloes up by 10.
A basket by Kaleb Tarczewski and a 3-pointer by Gabe York pulled the Wildcats within 75-70 with 2:10 remaining. Tarczewski then threw down a two-handed dunk off an alley-oop pass from Kadeem Allen.
Arizona missed its first four 3-pointers and trailed 37-33 at the half.
Arizona: Tarczewski had seven rebounds and increased his career total to 815, snapping a tie with Sean Elliott for ninth-place on the school's career list. ... With seven made baskets in the game, Anderson surpassed 600 for his career (605).
Colorado: Scott has scored in double figures in 25 of 27 games.
Arizona: at Utah on Saturday.
Colorado: hosts Arizona State on Sunday.