Keep it "Normal." Let your individual player roles (like Wingers) determine how wide they stay.
If all four attackers run forward at once, the AI holds formation perfectly. However, if you stagger your runs—one striker drops deep, one winger stays wide, and the attacking midfielder bursts late—the AI’s man-marking logic breaks down. Central defenders get caught "ball-watching" while midfielders fail to track runners from deep.
Successful management in FM14 relies on optimizing three key areas of the pitch: Covering Defender