BOULDER, Colo. — Marcus Morris scored six of his 15 points in overtime and grabbed a key rebound that helped No. 1 Kansas avoid what would have been the season's biggest upset with a 72-66 victory over Colorado on Wednesday night.
Cole Aldrich recorded his fourth straight double-double with 16 points and 14 rebounds and he blocked five shots to help the Jayhawks (21-1, 7-0 Big 12) beat the Buffaloes (11-11, 2-6) for the 14th straight time.
The Buffs have never beaten a top-ranked team in 13 tries, including six against Kansas.
The No. 1 team has lost each of the last two weeks, Texas and Kentucky.
Marcus Relphorde's two free throws with 56 seconds left in regulation gave the Buffaloes their first — and only — lead at 60-59, but Sherron Collins made one of two free throws to tie it with 38 seconds left.
Aldrich hit a free throw to start the overtime and the Jayhawks never trailed again. Morris' consecutive baskets made it 67-60 and he had a key rebound that led to Collins' bucket that made it 69-64.
Collins finished with 16 points.
NO. 6 WEST VIRGINIA 70, NO. 22 PITTSBURGH 51: At Morgantown, W. Va., Da'Sean Butler scored 18 points and Kevin Jones added 16 for and West Virginia, which never trailed.
West Virginia (18-3, 7-2 Big East) used a steady diet of 3-pointers and fed off the energy of the third-largest home crowd in school history and the successful debut of suspended freshman Deniz Kilicli to earn its fifth straight win.
Pittsburgh (16-6, 6-4) shot an abysmal 30 percent from the field, made just six field goals after halftime and was held to its second-lowest scoring total of the season.
Jones scored seven points during a 15-4 run as West Virginia started pulling away after the Panthers had gotten within 43-41 with 13 minutes remaining.
Jermaine Dixon returned from an injury to lead Pittsburgh with 13 points.
SOUTH FLORIDA 72, NO. 7 GEORGETOWN 64: At Washington, Dominique Jones scored 22 of his 29 points in the second half, and South Florida extended its longest Big East winning streak.
South Florida shot 65 percent after halftime to win its fourth straight conference game, including a 70-61 win over then-No. 17 Pittsburgh on Sunday that gave the Bulls three straight for the first time since joining the Big East in 2005.
The Bulls (15-7, 5-5), who also have five Big East wins in a season for the first time, trailed 35-26 at halftime due to 60 percent shooting by Georgetown (16-5, 6-4). But the Hoyas went cold in the second half and Jones began to show the flair that has him averaging 35 points during the winning streak.
Jones went 6 of 9 in the second half, played 39 of 40 minutes, and finished with eight rebounds and four assists.
Greg Monroe had 21 points and eight rebounds — none in the second half — before fouling out with 2:52 to play.
NO. 13 OHIO ST. 75, PENN ST. 62: At Columbus, Ohio., Evan Turner scored 22 of his 27 points in the second half and Jon Diebler hit a critical 3-pointer to lead Ohio State.
The Buckeyes (17-6, 7-3 Big Ten) closed the game on a 10-0 run and handed the Nittany Lions their 10th straight loss.
Diebler had not scored until he hit a shot from behind the arc with 1:29 left to give the Buckeyes some breathing room after Penn State (8-14, 0-10) had cut the lead to 65-62.
William Buford added 19 points and David Lighty had 12 for the Buckeyes, who have won their last six conference games and have beaten the Nittany Lions in their last 12 meetings.
Talor Battle had 24 points for Penn State.
NO. 18 VANDERBILT 75, MISSISSIPPI ST. 72: At Nashville, Tenn., Jermaine Beal scored 17 points, and Vanderbilt won for the 11th time in 12 games.
The Commodores (17-4, 6-1 Southeastern Conference) bounced back after losing their first league game last weekend at then-No. 1 Kentucky.
The Bulldogs (16-6, 4-3) rallied from a 14-point deficit to get within 73-72 with 28.6 seconds left on a 3-pointer by Dee Bost. Vanderbilt's John Jenkins made two free throws with 6.8 seconds remaining, then Bost missed a 3 before Romero Osby of the Bulldogs missed two free throws with 1 second left.
A.J. Ogilvy added 16 points for Vanderbilt, while Jenkins had 12 and Brad Tinsley 11.
Jarvis Varnado had 12 points, 14 rebounds and nine blocks for the Bulldogs.
NO. 19 TEMPLE 76, DUQUESNE 60: At Philadelphia, Lavoy Allen had 14 points and 15 rebounds and Temple again got plenty of points off the bench.
Ryan Brooks and Juan Fernandez, Temple's two leading scorers, were non-factors for the second straight game. Coach Fran Dunphy used his key subs, and even a seldom-used one, to lead the Owls (19-4, 7-1 Atlantic 10) to their eighth win in the last nine games.
Temple's bench scored 25 points in the first half. Ramone Moore led the Owls' reserves with 15 points.
Bill Clark and Eric Evans led Duquesne (11-11, 2-6) with 12 points. This was the first game between the teams since last season's A-10 championship game, won by the Owls.
NO. 20 BAYLOR 84, IOWA ST. 63: At Waco, Texas, LaceDarius Dunn scored 21 points, including four 3-pointers, and Ekpe Udoh had his 11th double-double of the season as Baylor backed up its big win on the road.
Udoh had 19 points, 10 rebounds and five blocked shots while Tweety Carter scored 14 points for the Bears (17-4, 4-3 Big 12), who were coming off an overtime victory Saturday at then-No. 6 Texas.
Anthony Jones hit a 3-pointer to start a 7-0 run for Baylor and stretched its lead to 10 after Iowa State (13-9, 2-5) got a free throw in the opening seconds after halftime.
Craig Brackins had 19 points and Marquis Gilstrap added 15 for the Cyclones, who have lost four of five.
Dunn made a 3-pointer on the first shot of the game, and his last came with 6:15 remaining.
NO. 24 NORTHERN IOWA 59, WICHITA ST. 56: At Cedar Falls, Iowa, Kwadzo Ahelegbe scored 18 points, 15 in the second half, and Northern Iowa hung on.
Jordan Eglseder added 15 points for the Panthers (20-2, 11-1), who avenged a 60-51 loss at Wichita State on Jan. 19 and took a commanding three-game lead atop the Missouri Valley Conference standings.
Wichita State (19-5, 8-4) buried consecutive 3-pointers to pull within 58-56 with 1:54 left, then got the ball back on a turnover with 31 seconds left. But Toure' Murry missed a 3 from the elbow, and Clevin Hannah's desperation heave bounced off the rim.
Murry had 17 points to lead Wichita State, which shot 10 of 17 from the free-throw line.