Adrien Thomasson

Born in Savoie, Thomasson began playing youth football with local Evian before turning professional with the club's senior side. He plays as a central midfielder, but played on the left flank, notably while on loan at Vannes. In June 2018, Thomasson joined Strasbourg on a three-year contract. On 12 January 2023, Thomasson signed for Lens on a three-and-a-half-year contract. On 23 January 2023, he played his first game and scored his first goal with Lens during a Coupe de France match against Brest. For his second game with Lens on 28 January, he scored his second goal against Troyes. On 3 October 2023, Thomasson scored his first UEFA Champions League goal, scoring Lens's equalizer in a 2–1 victory over Arsenal.

Rennes

On May 28, 2026, Rennes confirmed that they had signed Thomasson on a three-year contract after his contract with Lens had expired without renewal.

As of match played 22 May 2026

Thomasson was born in France to a French father of Swedish descent and a Croatian mother. He holds French and Croatian nationalities.

Strasbourg

Coupe de la Ligue: 2018–19 Lens

Coupe de France: 2025–26