Sweet 16 previews to come later this week.

All raw efficiency data is from the sublime kenpom.com. I used the ratings through last Sunday's games to make the comparisons. (For my second round reviews, I'll update the ratings through the end of the first round, and so on.)

Best games (by combined total NEM)

 ResultTotal NEM 
1.Ohio State98George Mason6658.6
2.Kansas73Illinois5953.9
3.Duke73Michigan7153.8
4.Kentucky71West Virginia6348.8
5.Wisconsin70Kansas State6548.5

Top overall performances

 TeamOpponentNEM 
1.Ohio StateGeorge Mason68.3
2.VCUPurdue57.1
3.Florida StateNotre Dame51.4
4.BYUGonzaga50.7
5.KansasIllinois44.0

Top offensive performances

 TeamOpponentNEM 
1.VCUPurdue56.6
2.Ohio StateGeorge Mason54.3
3.BYUGonzaga33.3
4.WisconsinKansas State32.0
5.MichiganDuke30.5

Top defensive performances (lower scores are better)

 TeamOpponentNEM 
1.Florida StateNotre Dame-31.4
2.KansasIllinois-24.7
3.San Diego StateTemple-19.8
4.RichmondMorehead State-19.3
5.MarquetteSyracuse-19.2