Ryan Simpkins added 15 points and Ryan Howley seven points and 15 rebounds for the Aggies (1-2), who overcame a 33-24 halftime deficit.
A 22-3 run over a 7:45 second-half stretch gave UC Davis control. Tyler Les hit two 3-pointers during the surge, which was punctuated by a Hawkins shot from behind the arc that gave the Aggies a 50-38 lead with 10:50 remaining.
Sacramento State, which went scoreless for 4:15 as UC Davis rallied, did not get closer than five points the rest of the way.
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