It is understood that Brentford have carried out detailed checks on Genk's 18-year-old Greek attacking midfielder Konstantinos Karetsas in recent months. Sources indicate that Leeds United, City Football Group, and Brighton have also scouted the player. The teenager is expected to leave Belgium this summer and has attracted long-standing interest from Chelsea, who continue to monitor him. Borussia Dortmund, RB Leipzig, and Marseille have also been tracking Karetsas for an extended period, while Liverpool and Everton are also described as long-term admirers. Karetsas joined Genk in January 2024, has 10 caps and 3 goals for Greece, and his contract runs until June 2029. His current Transfermarkt market value is €35.00m. Recent reports from April 2026 state that Genk's asking price is €45 million. Real Madrid are reportedly preparing a €35 million offer, while a deal with Arsenal was said to be close for approximately €45 million in January 2026.