Adrien Thomasson, who made 36 appearances and scored 4 goals in all competitions this season, is leaving RC Lens to join Stade Rennais. The attacking midfielder was out of contract and signed as a free agent with the Breton club until June 2029, following several weeks of discussions. Thomasson was the captain at Lens and the top assist provider in Ligue 1 in 2025-2026, a season that included a Champions League qualification and a Coupe de France title. At Rennes, he will be reunited with several former Lens players, including Brice Samba, Przemyslaw Frankowski, and Franck Haise.

The Rennes boss confirmed Adrien Thomasson's future arrival at Rennes and stated that the transfer is completed.

Adrien Thomasson has joined Rennes on a free transfer. The contract's duration has not been disclosed. According to Le Parisien, Thomasson will be reunited at Rennes with several acquaintances: president Arnaud Pouille, coach Franck Haise, sporting director Loïc Désiré, who was formerly of Strasbourg, Brice Samba, and Valentin Rongier.

RC Lens vice-captain Adrien Thomasson, a 32-year-old French-Croatian midfielder whose contract is expiring, will leave the club at the end of the season. After weeks of consideration, Thomasson recently decided not to accept a new contract proposal from RC Lens in order to pursue a new challenge; Canal+ reported this decision. His future is expected to be with a more lucrative French project offering a longer contract, with Paris FC or Rennes mentioned as possibilities. The departure could be made official in the coming days. Thomasson joined Lens from Strasbourg in January 2023 for a reported €3.9 million and has a current market value of €4.50m, according to Transfermarkt.