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Virginia Tech's Erick Green (11) drives past Duke's Mason Plumlee, left, during the first half of an NCAA college basketball game, Thursday, Feb. 21, 2013, in Blacksburg, Va.
BLACKSBURG, Va.—Seth Curry scored 19 of his 22 points in the first half as No. 6 Duke opened a 20-point lead and sent Virginia Tech to its ninth consecutive loss, 88-56 on Thursday night.

Rasheed Sulaimon added 17 points and Mason Plumlee had 13 points and 12 rebounds for the Blue Devils (23-3, 10-3 Atlantic Coast Conference) as they moved coach Mike Krzyzewski into sole possession of third place on the career list for victories at one school with 877.

He was tied with Adolph Rupp of Kentucky and is now two behind North Carolina's Dean Smith. Syracuse's Jim Boeheim leads with 910 victories.

Erick Green, the nation's leading scorer with a 25.3 average coming in, led the Hokies (11-15, 2-11) with 22 points. C.J.

Duke head coach Mike Krzyzewski reacts to a call during the first half of an NCAA college basketball game against Virginia Tech, Thursday, Feb. 21, 2013,
Duke head coach Mike Krzyzewski reacts to a call during the first half of an NCAA college basketball game against Virginia Tech, Thursday, Feb. 21, 2013, in Blacksburg, Va. ((AP Photo/Don Petersen))
Barksdale had a career-best 14 points and Cadarian Raines added 10, but no one else scored more than five as the Hokies shot just 43 percent and made only 1 of 16 3-point attempts.

Duke, meantime, buried the Hokies quickly with a 3-point barrage.

Curry had three 3s and Quinn Cook and Sulaimon also connected in an early 19-6 run, and after the teams swapped baskets, Curry capped a 15-3 burst for Duke with his fourth 3-pointer of the half.

That made the score 37-17 after 16 minutes, and Curry added a fifth 3 before halftime. Duke was 8 for 9 from behind the arc in the first 20 minutes. The Hokies, meantime, had 10 field goals, none of them 3s.

Duke finished 12 for 17 on 3-pointers and shot 53.6 percent (30 of 56) overall.

Coming off a 2-point loss at Maryland, the Blue Devils started fast in the second half, too, getting an inside basket by Josh Hairston, a baseline jumper from Cook and a 3 from Sulaimon to make it 55-30.

The Hokies never threatened again and Virginia Tech coach James Johnson pulled Green with just over 6 minutes to play and trailing 73-49. Krzyzewski followed with wholesale changes shortly thereafter.

The victory kept Duke solidly in second place in the ACC, two games ahead of North Carolina, N.

Duke’s Mason Plumlee, right, shoots over Virginia Tech’s Cadarian Raines (4) during the first half of an NCAA college basketball game,
Duke's Mason Plumlee, right, shoots over Virginia Tech's Cadarian Raines (4) during the first half of an NCAA college basketball game, Thursday, Feb. 21, 2013, in Blacksburg, Va. ((AP Photo/Don Petersen))
C. State and Virginia.

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A Virginia Tech fan cheers against Duke during the first half of an NCAA college basketball game, Thursday, Feb. 21, 2013, in Blacksburg, Va.
A Virginia Tech fan cheers against Duke during the first half of an NCAA college basketball game, Thursday, Feb. 21, 2013, in Blacksburg, Va. ((AP Photo/Don Petersen))

Duke’s Quinn Cook (2) shoots over Virginia Tech’s Erick Green (11) during the first half of an NCAA college basketball game, Thursday, Feb. 21,
Duke's Quinn Cook (2) shoots over Virginia Tech's Erick Green (11) during the first half of an NCAA college basketball game, Thursday, Feb. 21, 2013, in Blacksburg, Va. ((AP Photo/Don Petersen))

Duke’s Mason Plumlee (5) tries to block Virginia Tech’s Erick Green (11) during the first half of an NCAA college basketball game, Thursday,
Duke's Mason Plumlee (5) tries to block Virginia Tech's Erick Green (11) during the first half of an NCAA college basketball game, Thursday, Feb. 21, 2013, in Blacksburg, Va. ((AP Photo/Don Petersen))