March Madness 2024: Men’s Sweet 16 teams, matchups

And then there were 16.

A once-68-team men's NCAA Tournament field has been whittled down to 16 following the opening weekend of 2024 March Madness.

All No. 1 and No. 2 seeds are headed for the Sweet 16, while No. 11 NC State is the only double-digit seed still standing.

From the complete field to the matchups and more, here's what to know about this year's Sweet 16:

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What teams are in the Sweet 16 of March Madness?

Here's a look at the teams that have qualified for the Sweet 16:

No. 1 UNC (West)
No. 1 Purdue (Midwest)
No. 1 UConn (East)
No. 1 Houston (South)
No. 2 Arizona (West)
No. 2 Iowa State (East)
No. 2 Marquette (South)
No. 2 Tennessee (Midwest)
No. 3 Illinois (East)
No. 3 Creighton (Midwest)
No. 4 Duke (South)
No. 4 Alabama (West)
No. 5 Gonzaga (Midwest)
No. 5 San Diego State (East)
No. 6 Clemson (West)
No. 11 NC State (South)

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What are the Sweet 16 matchups?

Here's a look at what the Sweet 16 matchups in each region will look like:

East

No. 1 UConn vs. No. 5 San Diego State
No. 3 Illinois vs. No. 2 Iowa State

West

No. 1 UNC vs. No. 4 Alabama
No. 6 Clemson vs. No. 2 Arizona

South

No. 1 Houston vs. No. 4 Duke
No. 11 NC State vs. No. 2 Marquette

Midwest

No. 1 Purdue vs. No. 5 Gonzaga
No. 3 Creighton vs. No. 2 Tennessee

When does the Sweet 16 start?

The Sweet 16 will run from Thursday, March 28 to Friday, March 29.

Where are the Sweet 16 locations in 2024?

The American Airlines Center in Dallas (South), TD Garden in Boston (East), Little Caesars Arena in Detroit (Midwest) and Crypto.com Arena in Los Angeles (West) are the four host sites for the Sweet 16 and Elite Eight.