Ex-Vikings star defied team owners, told Brett Favre to 'stay retired' in 2010
Brett Favre informs Vikings he will retire, according to report
Favre Returns to Vikings and to Teammates He Says He Owes - The New York Times
Minnesota, Favre prepare for Texans - Mitchell Republic
Baby come back: Vikings teammates lobbying for Brett Favre's return – Twin Cities
Favre to Re-Re-Retire?? by Lloyd Vance
Favre, Vikings advance with win over Cowboys
Brett Favre files retirement papers - NBC Sports
What retirement? Favre back again
What retirement? Favre coming back with Vikings
Brett Favre Retirement, Sports
Report: Brett Favre not returning to Vikings – The Denver Post
Brett Favre, Randall Cunningham Top 10 Retirement Comebacks
Brett Favre: Timeline of Favre's Retirements in the NFL, News, Scores, Highlights, Stats, and Rumors
No, Brett Favre is not coming out of retirement in 2020