Sources have told ESPN that Athletic Director Tom Osborne will announce his retirement today.
Osborne is 75 years old and spent 25 years as the head coach at Nebraska.
UPDATE: As of January 1st, Osborne will step aside as Athletic Director. Says aging process is interesting. Also, he plans to stay around for a few months afterwards to aid in transition.
UPDATE: Chancellor Harvey Perlman respects Orborne's decision and he does not intend to hold a public search for the position. He has already begun the search.