Serie A side Lazio have threatened to take legal action against those who question the age of their 17-year-old Cameroonian player Joseph Minala.
Minala, who joined the club last summer was forced to shut down his Facebook profile after suffering abuse and questions over the legitimacy of his age.
In a statement, Lazio said the 17-year-old's birth certificate was "absolutely legitimate", before saying they are prepared to take legal action to "protect the good name of the company and the footballer".
The player also issued a statement on the club's website denying claims that he told a website that he was 41 saying: "It's false statements that have been attributed to me by people who do not know and for whom I reserve every action of damage."
UEFA have announced that they have opened proceedings against Lazio for "improper conduct of the club's supporters" during their Europa League match against Tottenham.
Aaron Lennon, Jermain Defoe and Andros Townsend all appeared to be the subject of monkey chants from the away end during Spurs' 0-0 draw against the Italian side.
A statement read: "UEFA has opened disciplinary proceedings against S.S. Lazio for the improper conduct of the club's supporters (racist behaviour) during the UEFA Europa League group stage match on Thursday 20 September between Tottenham Hotspur FC and the Italian side."