The Guardian revealed last month that Federation Internationale de Football Association had looked into more than 100 player cases at Chelsea and it emerged on Friday they had charged them with 92 breaches of article 19 alone. They can technically buy players, but they wouldn't be able to play them in any competitions until the ban is lifted.
The ban does not prevent players from being released by the club and it does not apply to Chelsea's women's and futsal teams.
With a transfer ban, Chelsea might just have to give Pulisic the time to adjust to the Premier League and find his stride.
The London club were also fined 600,000 Swiss francs (over £460,000), while the FA has been fined 510,000 Swiss francs (over £390,000) for breaching the rules in connection with minors. They spoke on condition of anonymity because they were not authorized to publicly discuss specifics of the case.
Right now, he's a Chelsea player on loan at Borussia Dortmund. Players aged between 16 and 18 can move if both clubs are within the European Union or European Economic Area, while the purchasing club must provide education and living facilities.
As reported by AS, the Spanish club planned to adopt the same strategy it used to sign Hazard's compatriot and former Blues team mate Thibaut Courtois last August - forcing Chelsea's hand to sell Hazard at a lower cost.
Simona Halep reaches the quarters in Dubai
While she has not consistently displayed her A-game this week it should come as no shock that Kvitova has made today's final. Meanwhile, Kerber was two breaks down to Dalila Jakupovic in the first set, trailing 5-1 and saving two set points.
The Blues successfully appealed against a Federation Internationale de Football Association transfer ban in 2009 when the Court of Arbitration for Sport ruled there was no wrongdoing in the transfer of winger Gael Kakuta, but it is unclear whether Chelsea's latest appeal will be successful.
In November, Chelsea said they were cooperating with a FIFA investigation into the transfer of minors after being identified by French investigative website Mediapart, one of several outlets publishing documents obtained by Football Leaks. The German club didn't have to pay a fee.
Zinedine Zidane remains in line to take over as Chelsea boss and could have £200m to spend this summer despite the club being hit with a transfer ban, The Sun claim.
Do Chelsea need nine years to work out if he is good enough? This includes USMNT defender Matt Miazga, who is now out on loan at Reading.