Ben Chilwell will reportedly miss at least two months of action after suffering a hamstring injury in a major blow for Chelsea.
The England left-back picked up the issue during last Wednesday's Carabao Cup tie with Brighton, with coach Mauricio Pochettino admitting the situation didn't look good.
The Daily Telegraph have reported Chilwell, 26, will be sidelined for at least eight weeks and faces a race to be fit for the Christmas schedule.
It means England are now without a fit left-back for their upcoming games against Australia and Italy with Manchester United's Luke Shaw also sidelined.