When you need to renew your contracts, go to contracts, click on the player to renew, increase his wage by £50, then add on ten years. If done correctly, he will accept the new terms. This may be done with any player.
Play Barcelona or Juventus in the friendlies at the beginning of the season.
The best team on the game that I always won with was this team:
Press L1 + L2 + X + Down to start a match instead of simply pressing X. You should be able to score easier during the match