FIFA 21 Headliners items are automatically upgraded when they earn a qualifying performance-based in-form or if their club achieves four back to back domestic league wins (first time only).

Do headliner cards get upgraded?

Headliners cards can be upgraded four times, and will be at least +1 on the player's highest-rated TOTW card.

How do headliners work in FIFA 21?

What are Headliners? Headliners works in the same way as the Ones to Watch cards, with the special cards holding dynamic ratings. These ratings adjust with real-life form, so any Team of the Week (TOTW), Team of the Group Stage (TOTGS), Hero and Man of the Match (MOTM) cards will affect the Headliners rating.