The ACC added three members from the Big East Conference during the 2005 conference realignment : Miami and Virginia Tech joined on July 1 , 2004 , and Boston College joined on July 1 , 2005 , as the league 's twelfth member and the first from the Northeast . The expansion was controversial , as Connecticut , Rutgers , Pittsburgh , and West Virginia ( and , initially , Virginia Tech ) filed lawsuits against the ACC , Miami , and Boston College for conspiring to weaken the Big East Conference
Big East Conference
Big East Conference (1979–2013)
Atlantic Coast Conference