San Diego State won the West and Air Force won the Mountain Division and will play for the conference title.
With one week left in the regular season the Mountain West title game is set.
The San Diego State Aztecs clinched the West Division after Nevada's loss to Utah State.
On the Mountain side, the Air Force Falcons clinched after beating Boise State on Friday and then New Mexico losing to Colorado State Saturday afternoon.
San Diego State is currently 6-0 in league play while Air Force is 6-1; the Aztecs have a game Saturday night and next week, while the Falcons have one game remaining.