O'Neale was 5 of 7 from the field, while Griffin was 3 of 5 and had four rebounds.
Southern Utah had a one point lead early in the first half, but Denver (4-6) led 40-20 at halftime and never looked back. The Pioneers shot 55 percent from the field for the game, while the Thunderbirds shot 40.8 percent.
This was the third-straight home win for the Pioneers.
The LSU TIgers didn't make much hay with Ben Simmons and now must regroup and rebuild around Antonio Blakeney and Craig VIctor.
Oregon could lose multiple players to the NBA next spring, so the Ducks are preparing by pursuing plenty of scorers and an elite frontcourt prospect.
Most of the first-round picks in the 2017 NBA draft haven't played a minute in a college game. Our recruiting experts identify the names to know.