PITTSBURGH — Jalen Brunson scored 16 points and top-seeded Villanova hit 14 3-pointers to rout Radford, 87-61, Thurday night at the PPG Paints Arena.

The Wildcats (31-4) played to near-perfection for the first 30 minutes and led 44-23 at halftime.

The Highlanders (23-13) posed no threat at becoming the first 16 seed to ever knock off a No. 1 in the tournament.

Duke 89, Iona 67

Marvin Bagley III dominated in his NCAA Tournament debut, pouring in 22 points to go with seven rebounds as Duke rolled.

The Atlantic Coast Conference Player of the Year made 10 of 14 shots in 32 minutes and grabbed seven rebounds.

Grayson Allen scored 16 points as the second-seeded Blue Devils (27-7) powered past 15th-seeded Iona (26-7).

Duke will next play Rhode Island.

Rhode Island 83, Oklahoma 78, OT

E.C. Matthews hit the go-ahead 3-pointer in overtime and Rhode Island topped dynamic scorer Trae Young and the Sooners.

The seventh-seeded Rams (26-7) won a game in the NCAA Tournament for the second straight season and will play Duke on Saturday.

Young scored 28 points on 9-for-18 shooting with six turnovers. The freshman scored 13 straight points for Oklahoma (18-14) late in regulation and made two free throws to open OT.