The Oklahoma Sooners was formerly a member of what conference formed in January 1907?
1980 Oklahoma Sooners football team:  Oklahoma was a member of the Big Eight Conference and played its home games in Gaylord Family Oklahoma Memorial Stadium, where it has played its home games since 1923. Big Eight Conference: The Big Eight Conference was a National Collegiate Athletic Association (NCAA)-affiliated Division I-A college athletic association that sponsored football. Big Eight Conference:  It was formed in January 1907 as the Missouri Valley Intercollegiate Athletic Association (MVIAA) by its charter member schools: the University of Kansas, University of Missouri, University of Nebraska, and Washington University in St. Louis.
i don't know