With Silva making the move to England - and with Messi on the brink of joining him, Sportsmail takes a look back at the best free transfers in Premier League history.
The transfer window is hotting up with just over a month to go to seal the deals for the 2020-21 season. Summer business is in session until October 5.
Grealish remains a prime target for manager Ole Gunnar Solskjaer who has seen a move for Borussia Dortmund's Jadon Sancho stall. However, Villa will demand £80million.
Edouard's representatives are due to hold talks over his future with Celtic ready to offer a new contract to convince him to stay for one more season as they bid for a 10th consecutive league title.
DANNY MURPHY: I feel for Jack Grealish. He was superb for Aston Villa last season, one of the standout English players in the Premier League, and was the key to his side's survival.
The transfer window is open until October 5 - although a domestic-only one will stretch until October 16 - and there are plenty of exciting deals being thrashed out all over the country and continent