Clubs worldwide face an economic crisis due to the repercussions of the outbreak of the new Corona virus, and the upcoming summer transfer market will be the first test of their financial capabilities.

Huge deals are expected to fade and clubs resort to exchange or loan deals in order to consolidate rows or give up excess players, in light of declining incomes due to the prolonged layoff period after the spread of Corona and depriving various clubs of the revenues that were achieved thanks to the fans attending the matches.

The clubs will have another opportunity to seize rare opportunities to make free deals with free stars and not affiliated with any club during the summer transfer period.

Here we review a list of the most prominent 11 players available for free contract during the upcoming transfer market:

English goalkeeper Joe Hart (33 years): His contract with Burnley expires at the end of this season, and Hart has only participated in two games during this season, and seeks to regain his form and return to the brilliance he was known during his previous career with Manchester City.

Belgian Jan Vertungen (33 years): The player faces a mysterious fate with the end of his contract with Tottenham, and he does not rule out reaching an agreement to extend his contract beyond the end of this season.

Brazilian Thiago Silva (35 years): Paris Saint-Germain announced the departure of the Brazilian defender at the end of this season, after an eight-year trip in the French capital.

French Leine Courzawa (27 years old): The player's contract with Paris Saint-Germain expires at the end of this season, and he has not yet reached an agreement on his future with the team.

Spaniard Pedro, 32, announced that he will not continue with Chelsea after five seasons with the team, and press reports stated that he was close to signing the Italian club.

German Mario Goetze (28 years): The player reached an agreement with the Borussia Dortmund administration not to renew his contract and leave at the end of this season.

Spaniard David Silva (34 years): Silva chose not to renew his contract with Manchester City and chose to leave at the end of this season, after a ten-year career with the club.

Brazilian Willian (31 years): The player decided to end his career with Chelsea after six seasons with the team, and is preparing for a new experience beginning next season.

Englishman Adam Lallana (32 years old): Lalana's career reached the end of the season, and the player's role with Liverpool crowned the English Premier League has diminished and he is no longer able to compete for a primary position.

Uruguayan Edinson Cavani (33 years): This season will be Cavani's last seasons with Paris Saint-Germain after a long march during which he won the club's historic top scorer.

Spaniard Jose Calijon (33 years): The player decided to leave Napoli at the end of this season, and reports indicate that he is returning to the Spanish league where he received offers from several teams, including Betis Seville and Espanyol.