Chelsea are reportedly keeping tabs on Antoine Griezmann and Antonio Rudiger as Antonio Conte plots a major revamp of his squad, according to ESPN.
Atletico Madrid striker Griezmann, as well as Roma defender Rudiger, are believed to be high on Conte's transfer wishlist ahead of the next two transfer windows.
The Italian manager has allegedly held talks with owner Roman Abramovich over strengthening his side following a run of three league matches without victory.
Reports on Tuesday appeared to suggest that Abramovich is willing to bankroll a spending spree at Stamford Bridge in a bid to make Chelsea more competitive.
And both Griezmann and Rudiger are rumoured to be Conte's top two targets as he plans to make his side stronger at both ends of the field.
Despite speculation linking him with a move away from Atletico, France international Griezmann claims he is happy to remain at the Vicente Calderon and continue to learn from mentor Diego Simeone.
The striker was linked with summer moves to Manchester United and PSG, but remained in Spain after Simeone committed his future to last season's Champions League runners-up.
With no European football on offer at Chelsea this season, it remains to be seen whether Griezmann would swap Atletico for London in the winter transfer window.
Meanwhile, Rudiger was deemed an early transfer target for Conte during the last transfer window.
Chelsea are already looking ahead to next summer #CFC https://t.co/XWdoRiTkqi
However, the 23-year-old damaged his knee ligaments ahead of the new campaign - scuppering any potential move in the process.
Such a setback has not deterred Conte, if rumours are to be believed, with the former Juventus manager reportedly keen on prising Rudiger away from current employers Roma.
Burnley centre back Michael Keane has also been linked with a move to the capital as Chelsea continue to look suspect defensively - Conte's men having kept just one clean sheet so far this term despite captain John Terry, Gary Cahill and David Luiz being available at centre-half to Conte.
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