Sunderland are competing with North-East rivals Newcastle United to sign Sheffield United midfielder Sydie Peck, and they are among several interested clubs. According to TEAMtalk, both Sunderland and Newcastle have been tracking the 21-year-old England Under-21 international this season. The competition to sign him is reportedly growing. Bournemouth, Brentford, Brighton, and Crystal Palace are also monitoring him, and promotion contenders West Ham are also monitoring the player. Sheffield United is aware of the significant interest Peck is attracting, and there is an increasing expectation that the club might approve his departure in the January transfer window. Peck joined Sheffield United in July 2024 and has a contract that runs until 2028. His current market value is €16.00M, according to Transfermarkt. Reports in June 2026 suggested that Sheffield United could request a fee of approximately €29 million (£25 million).