Chelsea's Italian manager Antonio Conte has been pressuring the board to make multiple new signings before the transfer window closes on August 31.
However, research by the Mail on Sunday suggests Chelsea have more than enough players on their books.
Conte has splashed out over £140m on the summer signings of Willy Caballero, Tiemoue Bakayoko, Alvaro Morata and Antonio Rudiger.
Despite strengthening, Chelsea's first team squad looked far from sufficient in their opening day 3-2 defeat at home to Burnley.
Gary Cahill and Cesc Fabregas were both sent off in the shock Premier League defeat and will miss today's mouthwatering fixture against London rivals Tottenham Hotspur.
Chelsea comfortably secured the Premier League title last season but few are backing Conte's men to win back-to-back championships.
Ridiculous number of senior pros at Chelsea
In recent years, the Blues have introduced a system in which they buy talented young players and send them out on loan spells before later selling them on at a profit.
Former club captain John Terry is the last player to truly break into the first team from the club's youth academy - and that happened all the way back in the year 2000.
Despite moving on a number of players over the summer, Chelsea's squad size far eclipses any other Premier League club.
Nemanja Matic, Nathan Ake, Asmir Begovic, Christian Atsu, Juan Cuadrado, Dominic Solanke, John Terry, Bertrand Traore and Nathaniel Chalobah have all been sold over the summer.
The Mail on Sunday report that Chelsea have an astonishing total of 62 senior contracted professionals on their books.
According to the Mail, there are "25 members of the current first-team squad, 26 players out on loan (four in the Premier League), and 11 more in effect waiting to be loaned."
Chelsea have turned it into a rather profitable system but did sell the likes of Kevin De Bruyne and Romelu Lukaku for far below their current market value.
The Belgian attacking duo, having failed to make the grade at Stamford Bridge, are now the star men at Manchester City and Manchester United respectively.
Crunching the numbers shows that it remains a profitable model for Roman Abramovich, profiting £107.6m in the last five years.
Read the full report on the Daily Mail by clicking here.
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