The transfer rumour mill continues to gather pace as we head further towards the summer, and Chelsea, as has been the way since Roman Abramovich arrived at the club 10 years ago, are being linked with more potential signings than most.
However, it is one of their own stars who is being heavily talked about with regards to a move from Stamford Bridge, with defender David Luiz said to be keen on a move to Barcelona, according to Jamie Sanderson of Metro.
Furthermore, Goal.com is reporting that Los Cules have made the Brazilian international a priority this summer, having already concluded a deal for his international colleague Neymar.
Moreover, the article also claims that the club's South American-based representative, Andre Cury, has started making progress on a deal for the former Benfica star, who is currently in Brazil on Confederations Cup duty with the Selecao.
Should such a move be forthcoming, then returning Chelsea boss Jose Mourinho will undoubtedly need to replace Stamford Bridge's cult hero, who has played a big part in their European success over the past 15 months.
Therefore, here's a look at five potential replacements, should Luiz make his west London exit this summer: