Scoochie Smith scored 16 points to pace Dayton (27-9).
The Flyers, who won a First Four game over Boise State and beat Providence in the second round, were playing their sixth game in the last 10 days. UD advanced to the Elite Eight last year.
The Sooners (24-10) advance to face Michigan State on Friday in the East Regional semifinals in Syracuse.
In Other News
1
High School Football: 5 things to know before Week 5
2
Dayton volleyball hopes to get back on track in first home matches
3
Wright State women’s soccer: Raiders overcome rough start, ready for HL...
4
Preps Profile: Max Gustavson, Tippecanoe High School
5
McCoy: Steer leads Reds to 6-2 win, series victory in St. Louis