UEFA are reportedly set to introduce a new five-year limit on how long it will take clubs to pay a transfer fee after Chelsea found a loophole since the arrival of Todd Boehly.
The length of contracts being offered by the Stamford Bridge side to new signings is thought to have come as a shock to the rest of the Premier League, and now UEFA are said to be ready to clamp down.
Mykhailo Mudryk is the latest big-money signing to walk through the door in West London after a fee of £80 million was agreed while an eight-and-a-half year deal was signed.