A look at Sunday’s matchups, with each school’s likely starters and analysis from Globe sports editor Joe Sullivan:

LOUISVILLE VS. DUKE

Regional: Midwest. Time: 5:05 p.m. Seed, record/last 10: 1. Louisville (32-5/10-0); 2. Duke (30-5/8-2).

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No. Louisville Ht. PPG RPG
21 Chane Behanan 6-6 9.7 6.3
20 Wayne Blackshear 6-5 7.9 3.3
10 Gorgui Dieng 6-11 10.0 9.5
3 Peyton Siva 6-0 9.7 2.3
2 Russ Smith 6-1 18.8 3.4
  Duke      
34 Ryan Kelly 6-11 13.1 5.5
5 Mason Plumlee 6-10 17.1 9.9
30 Seth Curry 6-2 17.6 2.6
2 Quinn Cook 6-1 11.7 3.8
14 Rasheed Sulaimon 6-4 11.8 3.4

Analysis: Louisville hasn’t been tested in beating North Carolina A&T, Colorado State, and Oregon. The Cardinals’ full-court press and pell-mell style set the tone in those three victories. Duke will not be pushed around so easily; the Blue Devils will match any physical play. They also will not be intimidated by the full-court pressure. That doesn’t mean they’re going to win. This will be competitive, but Louisville has played the way an overall No. 1 seed should. Right now, it is the best team in the tournament.

MICHIGAN VS. FLORIDA

Regional: South. Time: 2:20 p.m.  Seed, record/last 10: 4. Michigan (29-7, 7-3); 3. Florida (29-7/7-3).

No. Michigan Ht. PPG RPG
1 Glenn Robinson III 6-6 11.1 5.6
4 Mitch McGary 6-10 7.3 6.1
10 Tim Hardaway 6-6 14.8 4.6
3 Trey Burke 6-0 18.9 3.0
11 Nik Stauskas 6-6 11.3 3.1
  Florida      
33 Erik Murphy 6-10 12.6 5.5
4 Patric Young 6-9 10.2 6.3
3 Mike Rosario 6-3 12.6 2.6
1 Kenny Boynton 6-2 12.0 3.0
5 Scottie Wilbekin 6-2 9.3 2.9

Analysis: Michigan advanced with a miraculous comeback over No. 1 Kansas Friday. Florida sort of plodded along and beat Florida Gulf Coast. Michigan has the most impressive victory in the tournament, too — a vaporizing of VCU. The Michigan guards, Burke and Hardaway, are speedy, smart, and dangerous shooters. Florida’s guards, especially Rosario, can match them, for the most part. Neither team has a great inside game, so it will come down to whose guards gain the advantage. Right now, Michigan’s are playing better.