From the first game to the end of the regular season you'll manage your team's roster and lineup, earn fantasy "points" based on your active players' real-life performance, and compete with other people in your league for the best accumulated "points" to be crowned champion.

If your Yahoo Fantasy app isn't working on your device, it might be due to an outdated app version. The Fantasy Sports app is routinely updated for bug fixes and performance improvements, and over time older versions of the Yahoo Fantasy app may become incompatible or exhibit other problems.

The Yahoo Fantasy Sports Mobile App is the best in Fantasy Football, Baseball, Basketball, Hockey, Daily Fantasy and Tourney Pick'em.

6 players Default league settings

If your lineup scores enough points, you'll win cash prizes - even if you don't come in first. There's no season-long commitment so you can draft a new team every week and not worry about draft day busts or injuries ruining your season.

The top 6 teams in the league standings at end of the regular season qualify for a 3-week postseason tournament to determine a league champion. The next 4 teams (or the next 6 for 12+ team leagues) in rank play consolation rounds for 7th-10th or 7-12th place. Options for playoff weeks are: Weeks 14, 15, and 16.

The most common cause for NFL Fantasy Football not working is actually the network connection you are using. When you have a slow or unreliable Internet connection, the application may not work properly. NFL Fantasy Football uses the Internet to send and receive data.

If you're wondering why some of your players are locked and others aren't at the beginning of the week, individual roster slots lock when the team of the player in that slot begins their game. If you left an injured player in that slot, you may be out of luck for this week.

If your lineup scores enough points, you'll win cash prizes - even if you don't come in first. There's no season-long commitment so you can draft a new team every week and not worry about draft day busts or injuries ruining your season. Join today and play daily fantasy football for free.

Yahoo Fantasy is the second-most-popular fantasy-sports platform, according to data from the FSGA, and it provides a robust, customizable platform much like ESPN's. It presents useful information in an extremely well-organized and easy-to-navigate interface.

If a league has 10 starting roster spots (QB, RB, RB, WR, WR, WR, TE, W/R/T, K, DEF), the bench should have no fewer than six spots, and bumping that up to eight is advisable.

Play the No. 1 fantasy game. Standard rosters include one Quarterback (QB), two Running Backs (RB), two Wide Receivers (WR), one Tight End (TE), one Flex (RB/WR/TE), one Defense/Special Teams (D/ST), one Kicker (K) and seven Bench Spots (BE -- players on your roster who are not in your active lineup for a given week).