Method and system for operating and participating in fantasy leagues

1. A computer-implemented method for operating a fantasy league using at least one fantasy server system, the method comprising:

providing fantasy player information including performance history of one or more real-world athletes selected as fantasy players;

updating the fantasy player information in real-time based on fantasy player performance information from a real-world performance;

providing at least one substitution factor;

receiving a real-time injury information; and

determining a real-time fantasy player substitution at the fantasy server system based on the real-time injury information and the at least one substitution factor.

2. The computer-implemented method of claim 1 , wherein the at least one substitution factor is received from a fantasy client.

3. The computer-implemented method of claim 1 , wherein the at least one substitution factor includes a player's historical performance against an opponent team.

4. The computer-implemented method of claim 1 , wherein the at least one substitution factor includes weather conditions.

5. The computer-implemented method of claim 1 , wherein the at least one substitution factor includes a fantasy player's recent performance.

6. The computer-implemented method of claim 1 , wherein the at least one substitution factor includes a fantasy opponent's real-time performance.

7. The computer-implemented method of claim 1 , further comprising providing information to a fantasy client including a real-time fantasy player substitution alert.

8. The computer-implemented method of claim 7 , further comprising receiving a substitution indicator from the fantasy client, wherein the real-time fantasy player substitution is based on the substitution indicator.

9. The computer-implemented method of claim 1 , further comprising providing a fantasy player substitution update to a fantasy opponent.

10. A computer-implemented method for operating a fantasy league using at least one fantasy server system, the method comprising:

providing fantasy player information including performance history of one or more real-world athletes selected as fantasy players;

updating the fantasy player information in real-time based on fantasy player performance information from a real-world performance;

providing at least one fantasy player associated with a fantasy client;

receiving information about the at least one fantasy player;

sending a real-time injury alert to the fantasy client, the real-time injury alert relating to the at least one fantasy player; and

receiving a real-time substitution indicator at the fantasy server system including a designated replacement fantasy player based on the real-time injury alert.

11. The computer-implemented method of claim 10 , wherein the real-time substitution indicator is received from the fantasy client.

12. The computer-implemented method of claim 10 , further comprising determining whether the real-time substitution indicator indicates a substitution that is in compliance with a fantasy league transaction policy.

13. The computer-implemented method of claim 12 , further comprising sending a confirmation or rejection message based on the determination of whether the substitution is in compliance with the fantasy league transaction policy.

14. The computer-implemented method of claim 10 , further comprising sending available player information to the fantasy client.

15. The computer-implemented method of claim 10 , further comprising sending real-time fantasy player performance information regarding players available for substitution.

16. The computer-implemented method of claim 10 , wherein the real-time injury alert contains an audio or video clip.

17. The computer-implemented method of claim 10 , wherein the designated replacement fantasy player is selected based on a lineup received prior to the real-time injury alert.

18. A computer-implemented method for operating a fantasy league using at least one fantasy server system, the method comprising:

providing fantasy player information regarding performance history of one or more real-world athletes selected as fantasy players;

updating the fantasy player information in real-time based on fantasy player performance information from a real-world performance;

providing at least one substitution factor;

receiving a real-time injury report;

sending a fantasy player substitution alert to a fantasy client based on the substitution factors and the real-time injury report; and

receiving a real-time substitution indicator input from a fantasy client, wherein real-time substitution indicator input is a gameplay lineup substitution request designating one fantasy player as a substituted fantasy player and another fantasy player as a replacement fantasy player, wherein the gameplay lineup substitution is transacted at the fantasy server system during a real-time performance of the substituted fantasy player.

19. The computer-implemented method of claim 18 , further comprising:

associating a substitution time stamp with the gameplay lineup substitution request;

determining fantasy scoring for the substituted fantasy player based on the substitution time stamp of the substituted fantasy player; and

determining fantasy scoring for the replacement fantasy player based on the substitution time stamp of the replacement fantasy player.

20. The computer-implemented method of claim 19 , wherein determining the fantasy scoring is based on a player performance period associated with the substitution time stamp.