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March Madness changes in 2027: the NCAA men’s tournament expands from 68 teams to 76. Twenty-four teams will play 12 Opening Round games before the traditional 64-team bracket begins. From that point, the tournament remains single-elimination through the national championship.
That makes older “First Four” explainers outdated for the 2026–27 season. The next tournament starts with a larger opening stage.
How many teams are in March Madness in 2027?
The 2027 NCAA Division I men’s tournament will have 76 teams. The expansion adds eight teams compared with the previous 68-team field.
The Opening Round includes 24 teams playing 12 games over two days. After those games, 64 teams remain in the main bracket.
Who plays in the Opening Round?
The NCAA says the 24 Opening Round teams are split into two groups:
- the 12 lowest-seeded automatic qualifiers, and
- the 12 lowest-seeded at-large selections.
Automatic qualifiers play other automatic qualifiers; at-large teams play other at-large teams. The winners advance into the 64-team first round.
Selection Sunday still sets the field
Selection Sunday reveals the bracket, including automatic qualifiers, at-large teams and seeds. Conference-tournament champions generally provide automatic qualification paths, while the selection committee fills the remaining at-large places and seeds the field.
The committee also builds the bracket using published principles and procedures covering selection, seeding and bracketing.
How seeds work
Seeds indicate where teams are placed inside the bracket. No. 1 seeds are the highest-seeded teams in their regions; lower seeds are placed against higher seeds in the opening main-bracket round.
A seed is not a prediction that the higher-seeded team must win. Upsets are a defining part of the tournament because every main-bracket game is single elimination.
The 2027 tournament path
| Stage | What happens |
|---|---|
| Selection Sunday | 76-team field and bracket announced |
| Opening Round | 24 teams play 12 games |
| First Round | 64 teams remain |
| Second Round | 32 teams |
| Sweet 16 | 16 teams |
| Elite Eight | 8 teams |
| Final Four | 4 teams |
| National Championship | 2 teams |
2027 dates
Selection Sunday is March 14, 2027. The men’s Opening Round is March 16–17. The first round begins March 18. The Final Four is scheduled for April 3 and 5 in Detroit.
Because this guide is date-sensitive, SportsyVibe will treat the tournament size and schedule as a refresh item rather than an eternal rule.
What changed from the 68-team era?
The previous structure used four First Four games involving eight teams. The 2027 format uses 12 Opening Round games involving 24 teams. The field then becomes the familiar 64-team single-elimination bracket.
That is the most important change for fans who learned March Madness under the 68-team system.
Automatic bids vs. at-large bids
An automatic qualifier earns entry through a conference’s qualification path, typically its tournament championship. At-large teams are selected by the NCAA committee from teams that did not secure an automatic berth.
The distinction matters in 2027 because the Opening Round explicitly separates the lowest-seeded automatic qualifiers from the lowest-seeded at-large teams.
FAQ
How many teams are in March Madness in 2027?
Seventy-six.
Is the First Four gone?
The 2027 men’s tournament uses a larger Opening Round with 12 games rather than the previous four-game First Four structure.
How many teams are in the main bracket after the Opening Round?
Sixty-four.
When is Selection Sunday 2027?
March 14, 2027.
Where are the men’s Opening Round games played?
The NCAA has announced Dayton and Wichita as hosts for the 2027 men’s Opening Round.
What is an at-large bid?
A tournament invitation awarded by the selection committee to a team that did not enter through an automatic-qualification route.
What is the Sweet 16?
The regional round when 16 teams remain.
Is March Madness single elimination?
Yes. A loss ends a team’s tournament run.
Bottom line
The next major change to know is the number 76. Twelve Opening Round games reduce the field to 64, then the familiar knockout path runs through the Sweet 16, Elite Eight, Final Four and championship game.
Explore next: College Sports • College Football Playoff Explained.
Sources
Format and dates verified September 30, 2026.
