Atromitos announced the signing of Seny Dieng for the 2026-27 season. Seny Dieng expressed his excitement about joining Atromitos and stated that the club's people, including Mr. Angelopoulos and coach Dusan Kerkez, made a strong impression on him. He also stated that a conversation with his friend Steven Zuber influenced his decision. Zuber plays at Atromitos.

Atromitos announced the signing of Seny Dieng, a 31-year-old Senegalese international goalkeeper, on a free transfer. The club's official announcement stated that Dieng signed a one-year contract as a free agent. He will wear the number 88 shirt and is to be immediately available to Dusan Kerkez. Dieng participated in Middlesbrough's summer preparation and played in friendly matches against Celtic and Farense.

According to Gazzetta.gr, Atromitos have acquired Seny Dieng from Middlesbrough. The 31-year-old Senegalese international goalkeeper is already in Greece for Atromitos. The club has signed and brought Dieng to Greece on a free transfer, and his announcement is pending the completion of formalities.

Atromitos and Middlesbrough have an initial agreement for the transfer of Seny Dieng, a 31-year-old Senegalese-Swiss goalkeeper, as a free agent. The completion of the transfer is pending final paperwork. Middlesbrough signed the player in 2023 for 2.3 million euros. Dieng has extensive experience in the Championship. He experienced an Achilles injury in early 2025 and was later on loan at Sheffield Wednesday. Dieng wants a new phase in his club career and aims to return to the Senegal national team. Other clubs, including Feyenoord and Hull City, also competed to sign him. The goalkeeper has nine caps for Senegal. His contract with Middlesbrough was due to expire in June 2027. According to Transfermarkt, his current market value is €1.00m.