2. Barcelona | Fans: 643,000
At number two, with 13,000 more online fans than Manchester United, it's La Liga champions Barcelona.
The Catalan giants, - who added Neymar to their ranks in the summer, to join the likes of Lionel Messi, Xavi and Andres Iniesta - have an impressive FIFA 14 supporter tally of 643,000.
Many others enjoy playing as Barcelona on the game - and who can blame them?