Lilian Brassier

Rennes

On 20 June 2019, Brassier signed a professional contract with Rennes and immediately went on loan with Valenciennes.

Valenciennes

He made his professional debut with Valenciennes in a 1–1 Ligue 2 tie with Nancy on 2 August 2019.

Brest

In 2020, Brassier signed for Brest on loan with an option to buy if the club stayed up in Ligue 1. On 13 March 2021, he scored his first Ligue 1 goal in a 3–1 defeat against Marseille. His loan deal was made permanent after Brest secured safety on the final matchday of the season. In the 2023–24 season, he contributed to his club's impressive campaign, as they secured a third-place finish in the league and first ever qualification to the UEFA Champions League.

Loan to Marseille

On 3 July 2024, Brassier signed with Marseille on loan with an option to buy for €12 million. Marseille decided not to activate the option, leading to the termination of his loan in January 2025.

Rennes

On 31 January 2025, Brassier signed for his former club Rennes on a six-month loan with a €12 million buy option.

Eintracht Frankfurt

On 31 August 2026, Brassier signed a five-season contract with Eintracht Frankfurt in Germany.

Born in France, Brassier is of Togolese descent. He is a youth international for France.

As of match played 19 September 2026