However, teams that were unable to sign free agents—players without a contract who are open to signing—can still sign them.
There are hundreds of people searching for a club.
Sport examines a few of them that are still available.
The 37-year-old Keylor Navas confirmed his exit from Paris St-Germain in May, and when the agreement fell through, he was supposedly going to sign for Italian team Monza on a free transfer.
The former Costa Rican goalkeeper played for Real Madrid for five years and PSG for an additional five. Additionally, he appeared in 17 Premier League games while on loan with Nottingham Forest.
