Chelsea are ready to launch a £20m bid for Felipe Luis after being told they can't involve the player in their deal for Diego Costa, reports the Daily Star.
Costa has moved within touching distance of completing his much anticipated transfer to Stamford Bridge having reportedly completed a medical with Chelsea on Wednesday.
Jose Mourinho was hoping that the £32m paid for Costa would allow Chelsea to negotiate a cheaper deal for left-back Luis but they have been told by Atletico chiefs that no joint-offer will be accepted.
However, Mourinho remains keen on landing the Brazilian and will launch a £20m bid, bringing the total for the proposed double transfer to a lofty £52m.
The reason for Chelsea's urgency over Luis is Mourinho's desperation to land a new first-choice left-back after Ashley Cole, who has left the club.
They have already lost out on Luke Shaw to Manchester United with the Red Devils expected to complete a £27m deal in the coming weeks.
Atletico are expecting to lose Luis and have already made a move to replace him. The La Liga champions have had an £8m bid accepted by Granada for Guilherme Siqueira.
While Costa is expected to announce his arrival at Chelsea imminently, negotiations between the two parties for Luis will start separately.
Along with the expected arrival of Cesc Fabregas for £27m, Chelsea may well have spent close to £80m before the transfer window officially opens on July 1.
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