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Duke escapes with victory over Portland State (1:07)

Portland State controls the first half, but Marvin Bagley III's double-double of 18 points and 15 rebounds propels Duke to victory in the second half in a 99-81 win. (1:07)

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Chippy play continues as Allen receives technical (1:06)

Physical play continues between the Vikings and Blue Devils as Grayson Allen is fouled going up for a dunk and then claps in celebration to receive a technical. (1:06)

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North's electric night ends with whimper (0:53)

Portland State's Deontae North had 20 first-half points, but his night ends when he gets a technical foul waiting to check into the game. (0:53)

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Allen drives and dishes to for Carter and-1 (0:35)

Duke's Grayson Allen gets to the paint and drops the ball off to Wendell Carter Jr. who gets the hoop and harm as Duke takes a 70-62 second-half lead. (0:35)

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Duval winds up and gets rejected by rim (0:31)

Duke's Marvin Bagley III finds Trevon Duval who brings it back for the monster slam but can't finish at the rim. (0:31)

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Bagley beasting on the boards (0:34)

Duke's Marvin Bagley III battles in the low post and gets rebound after rebound until he eventually finishes with the foul. (0:34)

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Seven first-half 3s give Portland State first-half lead over Duke (0:29)

Portland State's Deontae North has 20 points on 4-5 shooting from deep as the Vikings lead the Blue Devils 49-45 at halftime. (0:29)

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Duke's O'Connell flies through air for spinning layup (0:23)

Alex O'Connell cuts to the basket on the give-and go and finishes a pretty 360-degree layup. (0:23)

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North leading Portland State against Duke (0:24)

Deontae North is playing confidently against the Blue Devils defense as he beats them back in transition and drains a 3-pointer. (0:24)

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Duke's Bagley throws down O'Connell lob (0:37)

Alex O'Connell gets the ball on the break and lobs it up for Marvin Bagley III who has no problem elevating and finishing the alley-oop. (0:37)

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Portland State balling on both ends of the court (0:30)

Portland State's Jamie Orme blocks Javin DeLaurier in the lane and then leads the break as Deontae North finds open space and nails the three. (0:30)

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Duval flashes speed on drive through Portland State defense (0:21)

Duke's Trevon Duval enters hyper-speed and races down the court for a pretty layup that gives the Blue Devils a 13-12 lead. (0:21)