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Here's how the 2025 men's NCAA Tournament bracket is shaping up after North Carolina blew out San Diego State in the First Four on Tuesday night.

Though the wall-to-wall 2025 NCAA Tournament action won't get started until Thursday's first-round schedule, the First Four in Dayton has become a staple in its decade-plus of existence that provides a unique kickoff to March Madness.

Auburn is the top overall seed in the NCAA Tournament, with Duke, Houston and Florida joining the Tigers on the No. 1 line in the March Madness bracket.

The Tar Heels delivered a message to their critics with an easy victory vs. the Aztecs on the first night of the NCAA Tournament

The Florida Gators, Duke Blue Devils, and Houston Cougars are the other No. 1 seeds in March Madness. The No. 2 seeds are Michigan State, St. John's, Tennessee, and Alabama.Behind them, the No. 3 seeds are Iowa State,