Realignment Day Glance Share This: AP 7/1/2013 10:27:39 PM (AP) Realignment Day GlanceBy The Associated PressHappy realignment day!It certainly was for the Atlantic Coast Conference, which welcomed Pittsburgh, Syracuse and Notre Dame to the league with a celebratory news conference/flag planting in New York City. Other leagues took a more low-key approach.Here's a look at just a few of the dozens of conference switches in Division I that became official on July 1._ American Athletic Conference opened for business and Memphis, Central Florida, SMU and Houston left Conference USA to become members of the conference formerly known as the Big East._ The new Big East is up and running. The basketball-centric league was created by old Big East members Villanova, Georgetown, St. John's, Providence, Seton Hall, Marquette and DePaul. Joining them on Monday was Butler, Xavier and Creighton._ Charlotte, Florida Atlantic, Florida International, Louisiana Tech, Middle Tennessee, North Texas, Old Dominion and Texas-San Antonio all became members of Conference USA, as the league restocks after being gutted by the American._ Georgia State, UT-Arlington and Texas State are now in the Sun Belt, as the conference restocks after being gutted by C-USA._ The Mountain West adds Utah State and San Jose State from the Western Athletic Conference, which is now out of the football business._ Coming in 2014: Maryland and Rutgers to the Big Ten. Louisville to the ACC. East Carolina, Tulsa and Tulane to the American. Georgia Southern and Appalachian State join the Sun Belt.