4-point play: Instant analysis of Duke's win against Wisconsin

Breaking down No. 2 Duke's 80-70 win Wednesday night against No. 4 Wisconsin.

HOW THE BLUE DEVILS WON: Duke has been nothing short of impressive throughout its first eight games. The Blue Devils boast one of the nation's most efficient offenses, and a greatly improved defense. Both play off each other, as evidenced by Wednesday night's convincing win.

Defensively, Duke switched constantly on screens, confusing the Badgers who couldn't adjust quick enough to take advantage of mismatches as frequently as they'd like. Offensively, a variety of Blue Devils got involved, as the trio of freshman starters continued to play like grizzled vets.

In a game billed as a battle of big men – Duke's 6-11 freshman Jahlil Okafor and Wisconsin's 7-footer Frank Kaminsky – the difference in the game was the play of the Blue Devil guards. Tyus Jones, Quinn Cook and reserve Rasheed Sulaimon combined for 49 points.

As a team, Duke shot 65.2% from the field.

THE BIG PICTURE: This was arguably – scratch that, obviously – the most highly anticipated matchup of the non-conference season. Mercifully, both Wisconsin and Duke refrained from losing beforehand, so this was a top-five matchup as expected. Expect both of these teams to hover around the top five, top 10 level all season – and expect the outcome of this game to ultimately merely affect NCAA tournament seeding. And by seeding, that means likely No. 1 vs. No. 2 seed lines. These teams are that deep, that good -- but especially Duke.

It's easy to go a little overboard after a dominating win like this, but consider: Against both Michigan State at a neutral site and now Wisconsin on the road, Duke held and extended its lead in crucial moments with Okafor on the bench in foul trouble. If that's not an incredibly encouraging sign of what's to come this season, nothing is.

STAR POWER: All eyes were on the centers – Okafor, expected to be the No. 1 pick in the 2015 NBA draft, and Kaminsky, lethal from beyond the arc. For the game's first seven minutes, Okafor and Kaminsky were the game's only scorers. Eventually, Kaminsky cooled a bit, while receiving little to no help from a supporting case, but still finished with 17 points (on 5-of-12 shooting) and nine rebounds.

Okafor, who struggled with foul trouble in the game's final minutes, had his way in the paint for nearly the entire contest. Okafor finished with 13 points (on 6-of-8 shooting) and six rebounds. These are two bigs who play drastically different styles, but will both be centerpieces of their teams all season.

AND-1: Prior to tipoff, the Big Ten had already clinched victory in the Big Ten-ACC Challenge, thanks to Iowa's upset of North Carolina in Chapel Hill. The Big Ten hasn't lost the series since 2008.