Lech Poznań is interested in Ryan Fosso for the defensive midfield position. Tomasz Włodarczyk stated that Lech Poznań has increased its efforts to sign a defensive midfielder and that this new player could join the club soon, possibly at the beginning of their training camp in the United Arab Emirates. Ryan Fosso was not in Fortuna Sittard's squad against Go Ahead Eagles. Coach Danny Buijs explained Fosso's absence, saying that it was probably a transfer.

Szymon Janczyk reported that the chances of Ryan Fosso moving to Poznań are minimal. The potential transfer is described as difficult to complete and is expected to not progress beyond the stage of interest.

According to recent reports, Lech Poznań is interested in Ryan Fosso of Fortuna Sittard, and the player has indicated he is ready for a transfer.

Gianluca Di Marzio reports that Lech Poznań is monitoring Ryan Fosso, a 23-year-old Swiss and Cameroonian central midfielder from Fortuna Sittard. According to the same report, the player's contract runs until the end of the current campaign, but Fortuna has an option to extend it by another 12 months. The report also indicates that Lech Poznań is not the only interested club, as Empoli, Hertha, Kaiserslautern, and Borussia Mönchengladbach are also monitoring the midfielder. Fosso joined Fortuna Sittard in July 2024 and has made 17 appearances and provided one assist in the Eredivisie this season. The former Switzerland U21 international has three caps for the team. According to Transfermarkt, he has a current market value of €2.00m.