6. Substitute Wisely
Valuable information for both the short term and the long term; impact subs and long term player preservation are valuable in the success of your manager modes and online campaigns. Impact subs requires a good reading of what attributes your subs have and what the game needs. Need a goal? Go for pace, or height. Need to defend a lead? Put on a defender in midfield to break up the play. It sounds melodramatic but if you want success in Fifa you need this focus...Or just play it on amateur. I can tell from great experience how valuable it is to substitute during career mode as well; you dont want to have to leave your top players out for weeks with an injury. So if youre coasting to a victory, rest the stars so they can be there in the more important matches.
What happens if you dont do this: You have to deal with that heartbreaking moment when a grown man collapses to the floor holding his ankle; oh the horror.