Grand Canyon (10-2) has won three straight, including a 52-45 victory against San Diego State.
The Antelopes went up by seven when Joshua Braun hit back-to-back 3s with just under five minutes to play. Later, Gerard Martin had a key block on Rob Gray Jr.'s shot attempt and Russell hit two free throws to give the Antelopes a 70-62 lead with 1:45 left.
Braun finished with 13 points and shot 3 for 4 from beyond the arc. Grandy Glaze added 10 points off the bench.
It was the first-ever meeting between the two schools.