The Atlantic Coast Conference has a bit of history: For the first time the conference has three No. 1 seeds in the NCAA Tournament.

The ACC had league tournament champion Duke as the top overall seed. Virginia and North Carolina shared the conference's regular-season championship and claimed No. 1 seeds as well.

That's only the second time a league has managed three No. 1 seeds. The other time came in 2009 when the Big East had Louisville, Connecticut and Pittsburgh — though the Huskies were the only team to survive their bracket and reach the Final Four that year.

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Virginia is the top seed in the South bracket, while UNC is on top in the Midwest.