Chelsea have suffered a devastating injury blow before their season has even begun; Wesley Fofana is set to be sidelined for the best part of a year after rupturing his ACL, and he faces a long and arduous rehabilitation period after undergoing reconstructive surgery.
The untimely loss of the Frenchman leaves head coach Mauricio Pochettino and the west Londoners' hierarchy with a decision to make: stick with what they've got, or turn to the transfer window to find cover at centre-back.
It has been reported that the Blues are willing to enter the market if the right opportunity presents itself, but who are the defenders they could target? GOAL runs through six potential options...