Śląsk Wrocław have announced the transfer of Grzegorz Tomasiewicz. He has signed a contract valid until June 30, 2028, with an option to extend for another twelve months.

Filip Macuda states that Grzegorz Tomasiewicz has a completed transfer and, in Macuda's opinion, will become a new player for Śląsk Wrocław. It is said unofficially that Tomasiewicz will sign a contract until June 30, 2028, with an option to extend the cooperation for another twelve months. The transfer is described as the first for Śląsk Wrocław after their promotion.

Polish midfielder Grzegorz Tomasiewicz, 30, has announced his departure from Piast Gliwice after four seasons and is now a free agent. Many recent reports have indicated that the midfielder's next destination will be Śląsk Wrocław, and an official announcement regarding the transfer is expected soon if these reports are confirmed. During the 2025/2026 Ekstraklasa season, Tomasiewicz made 31 appearances, scored 1 goal, and provided 2 assists. He has 3 caps and 1 goal for the Poland U20 team, and his current market value is €400k, according to Transfermarkt.