Can Duke Basketball once again limit Virginia Tech with its zone?

After the loss at North Carolina, Duke basketball switched things up. Ironically, the Blue Devils stopped switching on defense — which brought along this change.

Now, the zone was a big part of Duke’s defensive profile for large chunks of the season; however, since going to the zone full-time — 2-3, 3-2, 1-2-2, whatever it is — Duke basketball has become a defensive juggernaut.

Over the last five games, with the zone as its primary defense, Duke has allowed just 0.84 points per possession. Four of those games, of course, came without Marvin Bagley, too. According to KenPom, Duke has vaulted up to No. 17 in the nation in adjusted defensive efficiency: 96 points per 100 possessions. In ACC play, that hovered to 97.8 points per 100 possessions — good for second in the league.


It was all good just (two) week(s) ago

One of Duke’s first victims in the Age of Zone was the Virginia Tech Hokies — two weeks ago. In that performance, the Blue Devils blitzed one of the nation’s top-30 offenses. Virginia Tech scored less than 0.90 points per possession; from an efficiency standpoint, it was VT’s third worst offensive game of the season.

According to Synergy Sports, Virginia Tech was 8-of-24 (33.3 FG%) on spot-up field goal attempts in that game, and just 5-of-16 (31.3 3P%) on spot-up three-point attempts. Tech’s star point guard Justin Robinson made only one of his eight spot-up attempts in the loss. The Hokies wet only 1-of-4 on field goal attempts after a post-up or an offensive rebound.

In this game, Marques Bolden and Wendell Carter combined to block four shots — nearly 14 percent of Virginia Tech’s two-point field goal attempts.

That’s coming from a team that scores 1.12 points per possession on spot-ups this season (42.1 FG%, 58.7 eFG%), per Synergy, which ranks 13th in Division I and No. 1 in the ACC. Virginia Tech has scored 1.02 points per possession against zone defenses this season; that game against Duke, and the loss at Syracuse, are the two times the Hokies have been held in check against a zone.

For the season now, Duke basketball has played 38.3 percent of its half-court defensive possessions in zone. Those minute have gone rather well for Coach K: 0.78 points per possession, per Synergy — No. 11 in the nation amongst teams that have played at least 100 zone possessions.


Big Monday

After a tough loss this weekend to an inspired Louisville team, Virginia Tech is now 9-7 in the ACC. projects the Hokies as a No. 10 seed. All of that stuff is good; however, Buzz Williams and his squad don’t want to drop two in a row heading into the conference finale against Miami — another team playing for tournament seeding.

Can the Hokies knock down more shots in The Cassell on Monday night, or will Duke’s zone continue to roll along?


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