Jayson Cheesman had eight points and eight rebounds for the Thunderbirds (9-12, 7-5 Big Sky), who won their fourth straight.
Southern Utah never trailed after Heuir tied the score with 15:31 remaining in the first half. Northern Arizona got within 60-54 with 6:42 left, but Stevenett scored five points to push the cushion back to double digits.
Guard Naz Mitrou-Long, whose 2015-16 season ended in December due to hip problems, has been granted a hardship waiver for the coming season, Iowa State said.
As the Sooners look to life without superstar Buddy Hield and his sidekicks, it's clear their unseasoned players will need to grow up fast.
The Central Intercollegiate Athletic Association says it won't move its headquarters, its basketball tournament or other conference championships from North Carolina, despite