Favre, Vikings advance with win over Cowboys
Source: Brett Favre pulls plug on comeback with Vikings
Brett Favre signs with Minnesota Vikings - ESPN
Brett Favre scraps retirement – again – to return for Minnesota Vikings, NFL
Favre tells Vikings he will not return next season
Favre denies saying he quit
Brett Favre is back in Minnesota
All of Wisconsin braces for Favre's return
What retirement? Favre coming back with Vikings
Brett Favre tells NFL Network in interview that he is not coming back for 2011 season – New York Daily News
Brett Favre makes third retirement official