He said: "Roma has told us that there is the possibility of a sale, and we'll respect the decision they take.
"There are offers from PSG, Barcelona and Manchester United, and it's possible the club accepts one of those."
French team Paris Saint-Germain were thought to be leading the race for the coveted former Corinthians star, with sources in Brazil revealing they had placed a bid worth around £30m.“There are offers from PSG, Barcelona and Manchester United, and it's possible the club accepts one of those”Agent Roberto Calenda
Barcelona, Chelsea and Manchester City were keeping tabs on the Marquinhos situation but their interest was seemingly rebuffed when it was made clear Roma hadn't reached a decision about the young star's future early last week.
"I can confirm I was in Barcelona, but it happened a long time ago and Marquinhos is not my only client."
The sought-after centre-half has only been in Italy for only a year but has attracted rave reviews for his assured performances.