AP source: Favre tells Vikings he will not return - The San Diego Union-Tribune
I can't remember my daughter's childhood' NFL legend Brett Favre reveals memory loss caused by football career
Battered Favre Calls His Return “Highly Unlikely” - The New York Times
Retirement saga over for now; Favre tells Vikings he's done
Brett Favre's agent: He could still play
Rand: Favre won't return, but he won't go away either
Will the Real Favre Please Stand Up? - The New York Times