Simon Kjaer, who made a record move to Turkey from Lille last summer, has been linked with a move to the Blues, who face competition from Manchester United over his signature, Goal.com has reported.
Real Madrid striker James Rodriguez could be Jose Mourinho's first summer signing at Manchester United, Calciomercato.com has reported.
Arsenal, Manchester United and Chelsea will battle for Bayern Munich defender Medhi Benatia, RMC Sport has confirmed.
The future of Roma midfielder Radja Nainggolan continues to be uncertain as Manchester United have joined Chelsea in the race to sign the talented midfielder.
Barcelona star Neymar will not leave the club during this summer's transfer window.
Chelsea will challenge Manchester United in their attempt to sign Sporting Lisbon's Joao Mario.