Big Ten commissioner Jim Delany speaks in Lincoln, Neb., Friday, June 11, 2010, in front of a Big Ten and a Nebraska backdrop. Nebraska made it official Friday and applied for membership in the Big Ten Conference, a potentially crippling blow to the Big 12 and the biggest move yet in an off season overhaul that will leave college sports looking much different by this time next year.(AP Photo/Nati Harnik)