Russell made a pair of free to throws and hit a jumper to give Grand Canyon a 68-64 lead with 4:29 to play, sparking a 19-12 surge down the stretch to seal it.
Russell was 6 of 12 from the floor and 11 of 12 from the line. Jerome Garrison scored 20 points on 9-of-12 shooting to go with seven rebounds and three assists. Daniel Alexander finished with 15 points, 11 rebounds and six assists. Joshua Braun chipped in 11 points for Grand Canyon (11-8, 2-0 WAC), which has won six of its last seven games.