Asika Booker scored 14 points and Carlon Brown had 10 points for the Buffaloes
(4-2), who extended their non-conference home win streak to 26.
Kentavious Caldwell-Pope scored 15 points and Gerald Robinson 14 for the Bulldogs (4-3), who have lost three of their past four.
Colorado came out aggressive to start the second half, hitting five of their first six shots to take a 45-39 lead with 15:57 remaining.
Roberson converted a three-point play, Nate Tomlinson hit a 3-pointer and Shane Harris-Tunks made a layup to give the Buffaloes a 62-52 lead with 3:52 left.
The Bulldogs rallied to cut the lead to three with 4.5 seconds left, but a free throw by Booker sealed the win.
NO. 10 FLORIDA 96, STETSON 70
In Orlando, Fla., Florida’s Billy Donovan earned his 400th career coaching victory as the Gators rode a 16-point halftime lead to a win over Stetson.
Bradley Beal had 22 points and 10 rebounds and Erving Walker added 21 to lead the Gators (5-1) in the neutral court matchup at Amway Center. The Hatters (3-3) were led by Chris Perez with 20 points.
Stetson stayed close early on before a 23-4 Gators’ run midway through the first half blew the game open. Florida relied on its outside shooting during the spurt, knocking down eight 3-pointers in the half and 14 for the game.
NO. 6 LOUISVILLE 79, LONG BEACH STATE 66
In Louisville, Ky., Chris Smith scored 18 points and Louisville got off to a fast start to beat Long Beach State for the short-handed Cardinals’ 14th consecutive victory at the KFC Yum! Center.
Louisville (6-0) scored the first eight points of the game and took a double-digit lead early in the first half, but couldn’t pull away from Long Beach State (3-3) until the closing minute.
Freshman Chane Behanan had 13 points and seven rebounds for Louisville.
Larry Anderson scored 17 points for the 49ers before fouling out.
NO. 11 XAVIER 82, NO. 20 VANDERBILT 70 (OT)
In Nashville, Tenn., Tu Holloway scored 10 of his 24 points in overtime and Xavier rallied from 10 down to beat Vanderbilt.
The Musketeers (5-0) trailed by as much as 10. But they scored the final four points of regulation, including Mark Lyons’ short jumper with 6.5 seconds left to force overtime. Wells hit two free throws, and Holloway knocked down two 3-pointers to cap a 12-0 run ending with 2:27 remaining in overtime that put Xavier up 74-66.
Lyons had 19 points for Xavier, and Travis Taylor added 11.
John Jenkins led Vanderbilt (5-2) with 20 points.
NO. 16 MARQUETTE 88, JACKSONVILLE 56
In Milwaukee, Jae Crowder scored a season-high 27 points to lead Marquette past Jacksonville.
Darius Johnson-Odom scored 11 of his 19 points in the first half for the Golden Eagles (6-0) and helped steady a shaky offense.
Delwan Graham’s 13 points led the Dolphins (2-4), who played a ranked opponent for the second consecutive game
Crowder scored 10 points during a 29-9 run that bridged halftime and helped turn a close game into a blowout.
NO. 22 MEMPHIS 70, JACKSON STATE 45
In Memphis, Tenn., Joe Jackson scored 15 points, Chris Crawford added 14 and Memphis overcame a lackluster first half to defeat Jackson State.
Memphis (3-2) outscored Jackson State 45-26 in the second half to pull away.