Western Kentucky is leaving the Sun Belt to join Conference USA in 2014, a source told ESPN's Brett McMurphy.
Tulsa will join the soon-to-be-renamed Big East Conference in 2014, while East Carolina will be added as a full member, sources told ESPN.
If the Big East loses two more schools to conference realignment, the league's seven-year media rights deal can be terminated, industry sources told ESPN.
The "America 12 Conference" is the favorite to become the new name of the current Big East Conference's football schools, league sources told ESPN.
The ACC will allow Notre Dame to join the league this summer if the Fighting Irish can exit the Big East Conference, sources told ESPN.
Tulane joined the Big East in all sports on Tuesday, becoming the latest addition to the rapidly rebuilding conference. East Carolina also is headed to the Big East as a football-only member. Both schools will join the league in 2014.
Davidson will remain in the Southern Conference after turning down an invitation to join the Colonial Athletic Association.