Remember JoomSport? It is a handy sports league manager that lets you create different types of leagues for single and team competitions. With Sport Predictions for JoomSport, you can host a prediction league on your site. The plugin allows you to create March Madness like knockout prediction games and track leading players.
The pro version of the plugin lets you divide your games into rounds, browse the leaderboard conveniently, and even create a private league for your friends only. This plugin works for soccer tournaments, but it can be adapted to American football, Rugby, Darts, Tennis, Golf, Badminton, and other sports.
You can use these predictions for any sports that JoomSport supports. This extension is available for free at this time.