On June 11 , 2010 , Boise State University agreed to join the conference as its tenth member . On June 17 , 2010 , Utah announced it would be leaving the Mountain West to join what would become the Pac-12 Conference . On August 18 , 2010 , amidst rumors that BYU was considering leaving the Mountain West to go independent in football and rejoin the Western Athletic Conference in all other sports , the Mountain West Conference officially extended invitations to California State University , Fresno ( Fresno State ) and the University of Nevada , Reno ( Nevada ) . Both schools accepted and would become the tenth and eleventh members of the league . BYU announced on August 31 , 2010 that it would leave the Mountain West Conference and go Independent in football and become a member of the West Coast Conference ( WCC ) in other sports starting in 2011 . On November 29 , 2010 , TCU announced all athletic teams would move to the Big East Conference effective in 2012 . ( Less than a year later , on October 10 , 2011 , TCU announced it would not join the Big East but would join the Big 12 , home to fellow former SWC members Baylor , Texas , Texas Tech , and formerly Texas A&M , in 2012 instead . ) On December 10 , 2010 , the University of Hawaii at Mānoa accepted a bid to become the 10th member of the conference for football only . These changes would leave the Mountain West Conference with 10 teams for the 2012 football season
Big East Conference
Big East Conference (1979–2013)
Mountain West Conference