Femi Thompson led Mount St. Joseph with 15 points. Joel Scudder and Travis Combs had 13 points apiece.
Wright State (2-3) scored the first eight points of the game and never trailed, as Mount St. Joseph was scoreless over the first 5:15 of the game until Combs hit a 3-pointer. A 7-2 run at the end of the first half put Wright State up 31-12 at the intermission.
The Lions trimmed their deficit to 11 on Thompson's 3-pointer with 8:27 left, but the Raiders ran off eight straight to fend off the challenge.