I'm placing the over/under on his return as August, that way he doesn't have to bother with off season workouts or those pesky mini-camps.
http://sportsillustrated.cnn.com/2009/football/nfl/02/11/favre.retirement/index.html?cnn=yes
http://sportsillustrated.cnn.com/2009/football/nfl/02/11/favre.retirement/index.html?cnn=yes