Angelo Stiller has attracted interest from several European clubs, with Barcelona, Juventus, Arsenal and Bayer Leverkusen monitoring the Stuttgart midfielder.
The 25-year-old is being considered by the Catalan, Turin, London and Leverkusen clubs, according to transfer insider Ekrem Konur in a social media post.
Scouts watched Stiller during Stuttgart’s 3-1 victory over Viking in the first round of the league phase of the Champions League.
Stiller’s potential transfer fee is estimated at 45m euros. His current contract with Stuttgart runs until the end of June 2028.