BLACKSBURG, Va. (AP) - Austin Rivers scored 18 points, Ryan Kelly had 15, and No. 7 Duke used a late first-half run to open a double-digit lead it never relinquished in a 75-60 victory against Virginia Tech on Thursday night.
Kelly had seven points in the 13-2 spurt that helped the Blue Devils (19-3, 6-1 Atlantic Coast Conference) pull away. Rivers hit a 3-pointer, and Kelly scored the last five in a 10-0 burst in the second half when Duke extended its lead to 62-40 with 11:19 remaining.
Seth Curry added 11 points, and Mason Plumlee had 10 for Duke.
The loss was the seventh in eight games for Virginia Tech (12-10, 1-6). Five of the previous losses were by four points or fewer, but the Blue Devils left nothing to chance in avenging a 64-60 loss at Cassell Coliseum last February.
Erick Green led Virginia Tech with 17 points, and Victory Davila added 16.
NO. 10 MURRAY ST. 81, SE MISSOURI ST. 73
MURRAY, Ky. (AP) - Isaiah Canaan scored 32 points and Murray State remained unbeaten with a win over Southeast Missouri State.
Jewuan Long added 13 points for Murray State (22-0, 10-0), which is off to the best start by an Ohio Valley Conference team since Western Kentucky opened 21-0 in 1953-54.
Marcus Brister had 17 points and eight rebounds for the Redhawks (12-10, 7-3).
The lead changed hands three times in the first half and Murray State trailed 39-33 at the break. The Racers took the lead for good less than 10 minutes into the second half.
Southeast Missouri forced 14 turnovers, but Murray State outrebounded the Redhawks 43-34.
NO. 12 FLORIDA 74, SOUTH CAROLINA 66
GAINESVILLE, Fla. (AP) - Kenny Boynton scored 24 points, Bradley Beal had his fourth double-double and Florida beat South Carolina for its sixth consecutive victory.
The Gators (18-4, 6-1 Southeastern Conference) made 11 of 12 free throws in the final 1:09 to extend their home winning streak to 18 games.
Florida led by 17 points midway through the first half, but South Carolina slowly whittled it down to five with 2:51 remaining. Brenton Williams had a chance to make it a five-point game again with 1:13 remaining, but he missed the first of two free throws.
Bruce Ellington led South Carolina (9-12, 1-6) with 15 points.
NO. 18 SAINT MARY'S 84, SAN DIEGO 73
MORAGA, Calif. (AP) - Rob Jones had 28 points and eight rebounds, Stephen Holt scored a career-high 23 points and Saint Mary's beat San Diego for its 12th straight victory.
Matthew Dellavedova added 17 points, six rebounds and five assists to anchor a late 15-6 run that gave the Gaels (22-2, 11-0) the lead for good against a surprising West Coast Conference challenger. Saint Mary's has won 15 straight at home.
Chris Manresa had 25 points and Dennis Kramer scored 17 for the Toreros (8-14, 3-7), who pushed the Gaels to the brink for the second time this season. San Diego lost 78-72 at home to Saint Mary's on Jan. 5.
BYU 83, NO. 24 GONZAGA 73
PROVO, Utah (AP) - Noah Hartsock had 24 points and 14 rebounds to lead BYU over Gonzaga.
Matt Carlino added 18 points and five assists for the Cougars (19-6, 7-3 West Coast Conference) and Brandon Davies had 15 points. Anson Winder got his first start and had 10 points, five assists and three steals.
Reserve Sam Dower scored 15 points for Gonzaga (17-4, 7-2). Gary Bell Jr. added 14 for the Bulldogs, Marquise Carter had 13 and Robert Sacre 11.
The Cougars, who had 12 steals in the first half, led 38-24 at the break. BYU stretched the lead to 55-36 with 13:30 to go before the Bulldogs trimmed it to nine in the final 2 minutes.