Free Leagues

Yahoo - The Premier web site for free Fantasy Football. Real-time Stats, and league flexibility.
Fantasy Sports Unlimited - Play the game exactly like Fantasy Football 2K5 for free. Use this game to practice or have fun and when your ready to play for some big cash try Fantasy Football 2K5. No prizes but the competition is still there.
CDM Sports - Compete for over $30,000 in cash prizes in a salary cap style game. 250 winners. Also Offers several pay styles of Fantasy Football leagues.
Fox Sports - Fully customizable and free! Draft Guide, Live Draft Application, Real-Time Scoring Expert Analysis, Research Tools, League Stories & Polls & Boards.
Hey Sports Fans - Pick one player from four groups. They play, you rack up points. Trade as often as you like. Sign-up anytime. New winners every 1-2 weeks. If you're the high score for the contest period, you could win some neat stuff like sports cards, collectibles, caps, or HeySportsFans gift certificates!
Flea Flicker - Free fantasy Football leagues. Live scoring & draft. Player analysis, flexible scoring & rules.

 

Free Leagues

Sporting News - Free Salary Cap Fantasy Football. Offers a chance to win cash prizes. You’re the GM of your own franchise as you invest $35M in a roster of 7 players. $47K in cash prizes to the top finishers including a $10,000 Grand Prize!
CBS Sportsline - Become the GM and manager of your own team. Includes all the cutting edge features you expect from CBS SportsLine. Live scoring & stats. Choice of scoring systems. Player news & expert analysis . Has some flexibility.
ESPN - Improved access to stats and news integrated into your team clubhouse. Data rich player cards integrated into the game. Streamlined League Office pages. Mock drafts. Personalize the name and logo of your team. Community message boards polls and chat. Multiple draft options including live draft. Choice of rosters and scoring.
NFL - Free Fantasy Football. Free Live Scoring, Free Expert Analysis, Free Up to the minute Fantasy News. Live or Automated drafts. Private & public leagues. Message boards & email alerts.