Selection Sunday is the closing of one book and the opening of another on the college basketball season. For some teams, their hopes of making it in as an at-large potential Cinderella to March Madness are extinguished, while for others, hope springs eternal as they look to become the latest dancing darlings.

Some things are all but set in stone. Michigan, Arizona, and Duke are universally projected to be No. 1 seeds, leaving questions as to which team will join them on the No. 1 seed line: Florida or UConn, two teams that lost their respective conference tournament games on Saturday, March 14.

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Elsewhere, the Atlantic 10 will be a two-bid conference after Dayton upset Josh Schertz, Robbie Avila and Saint Louis in the conference semifinals. Others teams' fates remain up in the air, like Miami (Ohio) — who will be on the bubble after losing its MAC tournament opener following an undefeated regular season — and Auburn, which has great wins to pair against a 16-loss season.

The shape of the bracket will continue to ebb and flow throughout March 15, as conference tournaments come to a close and we figure out the last of the automatic qualifiers.

USA TODAY is following the latest prospective bracket updates live. Follow along below as the selection show creeps ever closer.

Last updated 9:50 a.m., Sunday, March 15.

NCAA Tournament Bracketology: Last four in

• USA TODAY Sports: Texas, Missouri, SMU, Miami (Ohio)
• ESPN: Missouri, Miami (Ohio), SMU, Texas
• CBS Sports: Santa Clara, Missouri, Miami (Ohio), SMU

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• USA TODAY Sports: Oklahoma, San Diego, New Mexico, Auburn
• ESPN: Oklahoma, Auburn, San Diego State, New Mexico
• CBS Sports: Oklahoma, Auburn, San Diego State, Cal

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March Madness bracket: Updated seeds

Teams in bold have clinched tournament berth.

1. Michigan, Duke, Arizona, Florida
2. UConn, Illinois, Iowa State, Houston
3. Michigan State, Gonzaga, Nebraska, Purdue
4. St. John's, Vanderbilt, Arkansas, Virginia
5. Wisconsin, Texas Tech, Alabama, Kansas
6. Tennessee, North Carolina, Louisville, BYU
7. Miami (Fla.), Saint Mary's, Utah State, Kentucky
8. Iowa, Clemson, UCLA, TCU
9. Georgia, Villanova, Saint Louis, Ohio State
10. NC State, UCF, Santa Clara, VCU
11. South Florida, Texas A&M, SMU/Missouri, Texas/Miami (Ohio)
12. Northern Iowa, Yale, Akron, McNeese
13. Hawaii, Hofstra, High Point, Cal Baptist
14. North Dakota State, Troy, Wright State, Idaho
15. Kennesaw State, UMBC, Tennessee State, Queens
16. Siena, Furman, Long Island/Prairie View A&M, Howard/Lehigh

March Madness last four in

Texas, Missouri, SMU, Miami (Ohio).

March Madness first four out

Oklahoma, San Diego, New Mexico, Auburn.

Who is left on March Madness bubble?

• SMU (ACC)
• VCU (Atlantic 10)
• Indiana (Big Ten)
• Miami, Ohio (MAC)
• San Diego State (Mountain West)
• New Mexico (Mountain West)
• Auburn (SEC)
• Missouri (SEC)
• Oklahoma (SEC)
• Texas (SEC)
• Texas A&M (SEC)

March Madness automatic bids

Here are the teams that have already clinched automatic berths to the 2026 men's NCAA Tournament by virtue of winning their respective conference championships heading into Selection Sunday:

• America East: UMBC
• ASUN: Queens
• ACC: Duke
• Big 12: Arizona
• Big East: St. John's
• Big Sky: Idaho
• Big South: High Point
• Big West: Hawaii
• CAA: Hofstra
• Conference USA: Kennesaw State
• Horizon: Wright State
• MAAC: Siena
• MAC: Akron
• MEAC: Howard
• Missouri Valley: Northern Iowa
• Mountain West: Utah State
• NEC: Long Island
• Ohio Valley: Tennessee State
• Patriot: Lehigh
• Southern: Furman
• Southland: McNeese
• SWAC: Prairie View A&M
• Summit: North Dakota State
• Sun Belt: Troy
• WAC: Cal Baptist
• WCC: Gonzaga

Here are the conferences that have yet to be determined:

All times Eastern

• Ivy League: Penn vs. Yale | noon | ESPN2 (Fubo)
• SEC: Vanderbilt vs. Arkansas | 1 p.m. | ESPN (Fubo)
• Atlantic 10: Dayton vs. VCU | 1 p.m. | CBS (Fubo)
• American: Wichita State vs. South Florida | 3:15 p.m. | ESPN (Fubo)
• Big Ten: Michigan vs. Purdue | 3:30 p.m. | CBS (Fubo)

NCAA Tournament bids by conference

• SEC: 10
• Big Ten: 9
• Big 12: 8
• ACC: 8
• Big East: 3
• West Coast: 3
• Atlantic 10: 2
• MAC: 2

This article originally appeared on USA TODAY: NCAA Tournament bracketology live bracket updates on Selection Sunday

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