Goodwin scored 16 of his points in the first half when Saint Louis took a 35-23 lead. Roby, with just two points in the first half, opened the second with a pair of 3-pointers and added a 3-pointer and a layup in an 8-0 burst for a 23-point lead with 11:38 to go.
Denzel Mahoney, who came in first in the Ohio Valley Conference at 19.2 points per game, finished with 12 on 3-of-9 shooting for the Redhawks (6-7), who shot just 32 percent.
The Billikens (7-6) finished their nonconference schedule with a winning record for the first time since 2014-15.
Jonathan Givony reports on Brian Bowen's decision to play in Australia and how the NBL is looking to bring in more young prospects.
Brian Bowen, one of the central figures in the FBI's investigation into college basketball corruption, has signed a professional contract to play for the Sydney Kings in Australia.
Chris Paul is giving $2.5 million to Wake Forest basketball -- the school's largest donation by a former player. The new men's locker room will be named for him.