South Korean winger Hyunjun Yang, 23, who is a key player for his team, has admirers in the south, with Birmingham City ready to renew their interest after a previous move for the player on deadline day failed. Yang joined Celtic in July 2023 and has a contract until May 2028. The South Korea international, who has 6 caps for his country, has made 11 appearances and provided 1 assist in the Scottish Premiership this season. His current market value is estimated by Transfermarkt to be €2.50m.