Jeremy Roach pumped in 22 points and No. 15 Duke used a strong stretch in the second half to take control in a 74-62 victory against Iowa on Tuesday night as part of the Jimmy V Classic in New York.
Mark Mitchell's 17 points and Kyle Filipowski's 12 points and 10 rebounds also helped the Blue Devils (9-2) secure their third straight triumph in a seven-day stretch.
Patrick McCaffrey's 12 points along with 10 points each from Filip Rebraca and Dasonte Bowen led Iowa (6-2), but the Hawkeyes couldn't overcome 3-for-16 shooting on 3-pointers and 39.7 percent shooting overall.
Kris Murray, who entered the game averaging 21 points for Iowa, was held to eight points on 3-for-9 shooting.
Duke used a 10-2 stretch to break out to a 56-41 lead with less than 12 1/2 minutes to play before both teams failed to score for the next two minutes.
Iowa hit such a rough patch offensively that it managed just four points during a stretch of nearly eight minutes. By then, Duke was up 61-43 and there was no comeback in the forecast.
This was just the second time that a Duke player reached the 20-point mark this season. Roach has done it both times.
Roach scored on consecutive possessions as the Blue Devils stretched the margin to 67-50.
Yet Iowa got to within 68-60 on Payton Sandfort's basket at the 1:19 mark. Roach drained two free throws to thwart the comeback.
Duke led 37-31 at halftime, boosted by 6-for-11 shooting on 3-pointers. The Hawkeyes were just 2-for-9 from deep.
Eight Duke players scored in the first half, led by Roach's 11 points with three 3-pointers. The Blue Devils shot 51.9 percent from the field in the first half.
Duke played three Big Ten Conference opponents in a four-game stretch, falling to Purdue and beating Ohio State before this matchup. Duke leads the series with Iowa 8-1, although this was the first meeting in 21 years.
The Blue Devils improved to 4-0 in the Jimmy V Classic.
--Field Level Media