MEMPHIS, Tenn. (AP) -Chris Douglas-Roberts scored 22 points and No. 1 Memphis rallied from its first halftime deficit since Dec. 4 to remain undefeated with a 68-59 victory over Houston on Wednesday night.
The Tigers (24-0, 10-0) have won 47 straight games on their home floor, 53 in a row in the regular season and 33 straight in Conference USA.
Robert McKiver had 21 points for Houston (18-5, 7-2), which had won three straight.
The Cougars, who led 37-35 at halftime, dropped to 2-11 against top-ranked teams. Houston hasn't beaten a No. 1 team since Feb. 18, 1978, against Arkansas.
It was the first time the Tigers have trailed at halftime since Southern California led 29-24 in New York. Memphis won that game 62-58 in overtime.
The Cougars lost their seventh straight in this series after losing their shooting touch, missing 13 of their first 14 and finishing 8-of-35 in the second half. McKiver, the Cougars' leading scorer, was 2-of-13 in the final 20 minutes.
No. 2 Duke 77, Maryland 65
12th straight win.
Greg Paulus added 20 points for the Blue Devils (22-1, 10-0 Atlantic Coast Conference), who blew most of a 16-point lead but used an 11-2 run to snap Maryland's four-game winning streak.
Greivis Vasquez scored 25 points for the Terrapins (16-9, 6-4), while James Gist - who averaged 22 points over the last six games - was held to nine on 3-of-11 shooting.
No. 4 Tennessee 93, Arkansas 71
KNOXVILLE, Tenn. (AP) - JaJuan Smith scored 32 points, including going 6-for-6 from 3-point range, to lead Tennessee.
Smith set a school record for 3-point percentage. Four other Vols, including current senior Chris Lofton, had gone 5-of-5.
Tyler Smith and Wayne Chism both added 15 points for the Volunteers (22-2, 9-1 Southeastern Conference), while Duke Crews had 11 points and 11 rebounds.
Sonny Weems had 20 points for Arkansas (17-6, 6-3).
No. 12 Xavier 62, Charlotte 60
CHARLOTTE, N.C. (AP) - Josh Duncan scored 25 points, including the clinching 3-pointer with 15.9 seconds left, and Xavier survived its third straight close call.
Overcoming foul trouble and 31 points from Charlotte's Leemire Goldwire, the Musketeers (21-4, 9-1 Atlantic 10) got their seventh straight win.
midcourt, but his desperation shot didn't hit iron.
The Musketeers also needed big plays in the final minute to beat Saint Louis and Saint Joseph's last week.
Goldwire was 7-of-15 from 3-point range and added eight rebounds for the 49ers (14-9, 5-4). The rest of the team shot a combined 9-for-38.
No. 15 Wisconsin 68, No. 13 Indiana 66
BLOOMINGTON, Ind. (AP) - Brian Butch banked in a 3-pointer with 4.5 seconds left, the last of Wisconsin's 11 3s.
Butch finished with 13 points, while Jason Bohannon scored 18 points, all on 3-pointers, and Michael Flowers added 15, hitting three more 3s, for the Badgers (20-4, 10-2 Big Ten).
Indiana (20-4, 9-2) was led by Eric Gordon with 23 points and D.J. White with 17 points and eight rebounds, but it wasn't quite enough on a night basketball was overshadowed by coach Kelvin Sampson's alleged off-the-court transgressions.
Just hours before tipoff, Sampson was accused by the NCAA of committing five ``major'' rules violations.
Southern Illinois 65, No. 14 Drake 62
CARBONDALE, Ill. (AP) - Randal Falker had 13 points and 10 rebounds and Southern Illinois snapped Drake's 21-game winning streak.
Leonard Houston's 3-pointer that could have sent the game into overtime bounced off the rim at the buzzer.
ctory. The Bulldogs' other loss was 72-66 to Saint Mary's, Calif. on Nov. 11.
Bryan Mullins added 13 points, including three 3-pointers, for Southern Illinois (13-12, 8-6).
No. 17 Connecticut 84, No. 20 Notre Dame 78
STORRS, Conn. (AP) - A.J. Price scored 26 points and Connecticut won its eighth straight.
The Huskies (19-5, 8-3 Big East) survived a 32-point effort from Notre Dame's Luke Harangody, who also had 16 rebounds.
The loss snapped a five-game winning streak for the Irish (18-5, 8-3).
Price was 10-of-19 from the field and had four 3-pointers and nine assists. Craig Austrie had 14 points, and Jeff Adrien added 13 points and nine rebounds for Connecticut.
Texas Tech 84, No. 18 Kansas St. 75
LUBBOCK, Texas (AP) - Alan Voskuil scored a career-high 30 points and Texas Tech gave Pat Knight his first win since taking over for his father.
Bob Knight, the winningest coach in Division I history, applauded from his seat in a box as his son-successor improved his record to 1-2 nine days after taking over the program when his father suddenly resigned.
Bill Walker had 27 points and Michael Beasley added 22 for Kansas State (17-6, 7-2), which came into the game in first place in the Big 12.
The Red Raiders (13-10, 4-5) led 60-38 with about 14 minutes remaining.
But the Wildcats used a 20-4 run, including 12 points by Walker, to get within 64-58 with just under 9 minutes remaining. A 3-pointer by Jacob Pullen pulled the Wildcats within 70-66 with 5:34 left, but that was as close as they got.
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