Conference scoring leader Tyler Haws led the Cougars (18-7, 8-3) with 27 points, and Brandon Davies had 20 points and 10 rebounds. Matt Carlino, the reigning WCC player of the week after a 28-point performance in Saturday's win over Pepperdine, scored nine points and had five turnovers.
San Diego led the entire second half, but BYU pulled within 67-64 on Haws' two free throws with 3:32 left. But Chris Anderson scored on a layup, then made two foul shots, to give the Toreros breathing room before Dee iced the win with three free throws.
Jalen Rose and David Jacoby announce their choices for sleepers in the 2016 NBA Draft.
Daryl Gross, who spent a decade as Syracuse's athletic director, will start as Division II Cal State-Los Angeles' AD in July.
Utah forward Brekkott Chapman, who averaged 4.4 points and 2.8 rebounds last season, has transferred to Weber State, coach Randy Rahe announced Wednesday.