Longwood's leading scorer, Tristan Carey, was held to 1-of-12 shooting, but Woodhouse, who entered averaging 3.7 points, picked up the slack, hitting 6 of 9 shots and all seven free throw attempts.
The game remained close throughout, with 18 lead changes and six ties. Trey Freeman gave Campbell (12-18, 7-8) a 49-48 advantage with a layup midway through the second half but Longwood answered with a 17-7 run over the next six minutes to pull away.
Longwood shot 50 percent (28 of 56) for the fourth straight game.
Andrew Ryan paced Campbell with 16 points.
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