Source: Brett Favre pulls plug on comeback with Vikings
Favre can't have a comeback because he never really left – Orange County Register
Brett Favre tells NFL Network in interview that he is not coming back for 2011 season – New York Daily News
2009 Brett Favre To Greg Lewis Back of the End Zone Game-Winning TD, Vikings vs. 49ers
Streak Ends; Shoulder Injury Stops Brett Favre - CBS Minnesota
Jets overcome Favre's record-breaking night - Mitchell Republic
Brett Favre, Randall Cunningham Top 10 Retirement Comebacks