Week 1 in the NFL Season.
you can but it will be hard to win a league
Prior to the 2009 football season, Colin Cowherd of ESPN estimated that "more than 27 million players play fantasy football. They spend an average of nine hours a week (during football season... playing fantasy football)."
Once the season starts, you cannot change your team name
NFLRush.com Fantasy Football 2010 will come out right before the first weekend of the new regular season. I'd start looking for it beginning September 7.
You can start or join a league at any time starting now and running several weeks into the NFL season. I recommend getting into a league now before the regular season starts so you can extend the fantasy season as long as possible.
beginning of august
U-Sports.com Fantasypostseason.com (bowl season)
Start a season and it will ask you fantasy draft off or on. (This is under the options after selecting season mode.)
the new mock drafts are being done all over, it's closer to the start of the season there will be more.
Go to espnfantasy.com
Usually at the beginning of baseball season.
Late June Early July.
you have a backup so you start your backup
It starts in september.