San Francisco (9-7, 3-3) had a two-point lead with 2:47 left in the first half. Fischer made a 3-pointer, sparking a 9-1 spurt to give BYU a 51-45 halftime lead and the Cougars led the rest of the way.
Seljaas' 3-pointer stretched BYU's lead to ten points early in the second half. Uche Ofoegbu scored on a dunk, and Ronnie Boyce III made back-to-back jumpers to pull the Dons to 80-74 with 7:18 remaining. Fischer and Seljaas answered with consecutive 3-pointers to push the Cougars' lead back to 10 points with six minutes left and BYU cruised from there.