There are divisional rankings in FIFA Mobile Attack Mode. Gaining fans by scoring goals and winning your turns will move you up throughout the division tiers.
Climbing Divisions increases your Reward and Difficulty level. Each Tier grants you an additional Fan Bonus. Here are the full details for FIFA Mobile Attack Mode Division:
|Division (Tier)||Fans Required||Bonus|
|World Class (III)||100,000||+2,500 Fans|
|World Class (II)||200,000||+1,600 Fans, +340 Coins|
|World Class (I)||500,000|
|Legendary (II)||2,000,000||+390,000 Fans, +722 Coins|