Is this authentic account from FIFA committee. User name simply superb.

When there is any special season or league goes in any format of games. Most of the gambling sites enter into it. They make changes in their UI and give special attention to that game.

For last FIFA also this has been done. As like that now for cricket also many gambling sites will do the same. Some noticeable gambling sites are follows.

Nitrogensports
Sportsbet
Betking
Once now not in use(Directbet) and etc...