Barbour scored 15 of his 19 points in the second half and made 10 of 10 from the free-throw line overall, including eight in the second half.
Columbia led 27-19 with 3:39 to go until halftime, but Marist scored the next eight points on 3-pointers by Isaiah Morton and Price and a jumper by Lewis. Neither team led by more than four the rest of the way until Curry's final free throw.
Former Kentucky guard Ed Davender, the only Wildcat with at least 1,500 points and 400 assists, has died. He was 49.
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.