Sunderland are monitoring the progress of Gabriel Rajkovic, a 15-year-old Valerenga winger who is a Norwegian and Serbian national, after being made aware of his potential. The club faces extensive competition. Many other English clubs, including Liverpool, Manchester City, Manchester United and Tottenham, have watched the player in recent weeks. Arsenal and Chelsea are leading the interest, having compiled detailed information on the Norwegian youth international. At the U16 level, he has 2 caps and 1 goal. The interest in the teenager extends to other parts of Europe, with clubs such as Real Madrid, Barcelona, and Bayern Munich also having scouted him. Rajkovic's contract with the Norwegian club runs until the end of 2028. In the 2025/2026 season, he has made 12 appearances in the Eliteserien, scoring 2 goals and providing 1 assist.