Kansas guard Lagerald Vick to take leave of absence from team Duke beat Virginia for the second time this season Saturday.The Blue Devils claimed an 81-71 victory on the Cavaliers’ court this time around. They improved upon their 72-70 triumph from earlier on in 2018-19. Here are three takeaways that allowed Duke to come out on top.Consistent Duke shooting is unguardableThe Blue Devils aren’t the best 3-point shooting team in college basketball, but they connected from deep early and often in this matchup. Duke entered the matchup shooting 30.8 percent from behind the arc, but provided a staggering shooting performance on the night by shooting 61.9 percent from range. Related News Virginia dropped to 20-2 while Duke improved to 21-2 on the year. Arizona assistant’s suspension linked to Shareef O’Neal’s transcripts, report says R.J. Barrett eclipsed his career-high for 3-pointers made in a game in the first half. He made five of his six attempts from deep before the break. Cam Reddish added five as well. Duke hit just 17.6 percent of its 3-point attempts in its last matchup with Virginia.Zion Williamson doesn’t need volume to be effectiveWilliamson is considered a shoe-in to be the No. 1 pick in the 2019 NBA Draft. He continued to show he provides so much more than thunderous dunks.The freshman phenomenon scored 18 points on 6-of-8 shooting. While he trailed Barrett (26) in the scoring department, he recorded three blocks, three steals and dished out five assists.If Duke can become a more consistent shooting team, Williamson’s ability to get to the free-throw line and draw double-teams will be exceedingly valuable.Virginia is still trying to figure out Duke’s offenseThe Cavaliers executed their game plan all night. They kept the Blue Devils out on the perimeter, but it came back to bite them.Virginia entered Saturday with the best scoring defense in the country. But Duke has now handed the program its only two losses of the season. The Blue Devils have the two highest scoring performances against the Cavaliers in 2018-19.The ACC rivals could see each other again before the year is up, so Virginia will need to pick its poison if it hopes to come out on top next time. Whether it’s in the ACC tournament or during March Madness.