Instructions
Turn on your PS3.
Select "PlayStation Network" from the menu.
Choose "Account Management."
Select "Facebook." Type your Facebook email address and password into the boxes on screen to link your PlayStation Network account with your Facebook account.
Return to the main menu on your PS3. Select "Game" and "Trophy Collection." This will sync all of your recently obtained trophies with your PlayStation Network account, which will simultaneously publish them all to your Facebook account. Your "FIFA" trophies should show up on Facebook.