Changes in the past 20 years:
ACC
1991 - Florida State
2004 - Miami & Virginia Tech
2005 - Boston College
Big 10
1993 - Penn State
2011 - Nebraska
Big 12
1995 - Formed as merger of Big 8 + Texas, Texas A&M, Texas Tech & Baylor
2011 - (Colorado & Nebraska left)
Big East
1991 - Rutgers & West Virginia
2004 - (dropped Temple)
2005 - Cincinnati, Louisville & South Florida (reaction to losing Boston College, Miami & Virginia Tech)
2012 - TCU
Pac-12
2011 - Colorado & Utah
SEC
1991- Arkansas & South Carolina
ACC
1991 - Florida State
2004 - Miami & Virginia Tech
2005 - Boston College
Big 10
1993 - Penn State
2011 - Nebraska
Big 12
1995 - Formed as merger of Big 8 + Texas, Texas A&M, Texas Tech & Baylor
2011 - (Colorado & Nebraska left)
Big East
1991 - Rutgers & West Virginia
2004 - (dropped Temple)
2005 - Cincinnati, Louisville & South Florida (reaction to losing Boston College, Miami & Virginia Tech)
2012 - TCU
Pac-12
2011 - Colorado & Utah
SEC
1991- Arkansas & South Carolina