Chelsea can claim the second-best defensive record in the Premier League so far this season, having conceded just 0.5 goals per game from their first six domestic fixtures.

But the Champions League has been slightly more testing, with Basel scoring twice against the Blues in a surprise result at Stamford Bridge, and Jose Mourinho is the kind of manager always striving to improve wherever and whenever possible.

And with that in mind, we take a look at FIVE players from across Europe on the West London outfit’s transfer radar, who could be brought in after Christmas to improve the Blues’ backline as they made a charge for the Premier League title.

Click on Luke Shaw to reveal the FIVE January signings to bolster Chelsea’s defence