2010–13 Western Athletic Conference realignment

The 2010–13 Western Athletic Conference realignment refers to the Western Athletic Conference (WAC) dealing with several proposed and actual conference expansion and reduction plans among various NCAA conferences and institutions from 2010 to 2013. Moves involving the WAC were a significant part of a much larger NCAA conference realignment in which it was one of the most impacted conferences. Of the nine members of the WAC in 2010, only two—the University of Idaho and New Mexico State University—remained in the conference beyond the 2012–13 school year, and Idaho departed for the Big Sky Conference after the 2013–14 school year. Five pre-2010 members are now all-sports members of the Mountain West Conference (MW), and another joined the MW for football only while placing most of its other sports in the Big West Conference. Another pre-2010 member joined Conference USA (C-USA) in July 2013.

After the first defections from the conference were announced in 2010 and 2011, the WAC attempted to reload by bringing in five new members for 2012, but four of these soon announced moves to other conferences that took effect in 2013, with Seattle University being the only 2012 entrant to remain in the WAC beyond the 2012–13 school year. The WAC added six new members in 2013.

These moves resulted in the WAC dropping football as a league-sponsored sport after the 2012 season; it became the first NCAA Division I FBS conference to drop the sport since the Big West did the same after the 2000 season. The only two remaining football schools, Idaho and New Mexico State, became independent programs for the 2013 season and returned to football-only membership in the Sun Belt Conference starting in 2014 (both had been either all-sports or football members of the Sun Belt in the early 2000s).

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