The win is the Chanticleers' (9-9, 4-3) first against Campbell since Dec. 20, 2003.
Raffa scored 20 points and Greenwood 18 for Coastal Carolina, which shot 49 percent (24 of 49) and made 22 of 31 free throws.
The Camels entered having won seven of their past eight games with a 48.6 shooting percentage. Saturday, Campbell hit just 37.5 percent (21 of 56), and Trey Freeman, who was averaging 16.6 points per game during the run, had just two points on 1-of-11 shooting.
Coastal Carolina snapped a 22-22 tie with a seven-point run to close out the first half, then scored the first six of the second half for a 35-22 lead.
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