Kris Joseph added 11 points and eight rebounds for the Orange (9-0), who are off to a 9-0 start for a fourth straight season. Scoop Jardine donated 10 points, seven boards, four assists and three steals.
Dennis Tinnon ended with 17 points and 14 rebounds for the Thundering Herd (5-2), who have lost two in a row. Damier Pitts tallied 10 points.
Marshall turned the ball over 19 times.