Chelsea latest: Blues to nab Arsenal target? Ex player goes rogue, police look at Ba abuse

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All the latest news from Stamford Bridge including a potential move for Mario Mandzukic, Arjen Robben's criticism and Demba Ba the victim of racial abuse.

Jose Mourinho has either a: produced a tactical masterclass in the past eight days or b: destroyed football, depending on your viewpoint as the Chelsea manager has engineered back to back clean sheets when the club has needed them most - at the Vicente Calderon against Atletico Madrid and at Anfield versus Liverpool, where the Blues returned a 2-0 win to Stamford Bridge.

Chelsea are back at the Bridge this evening, taking on Atletico in the second leg of their Champions League semifinal. The fixture is precariously balanced at 0-0 and, one day after the other semifinal reached it's conclusion as Real Madrid defeated Bayern Munich by a 5-0 aggregate score.

Bayern star Arjen Robben, formerly on the books at Chelsea, will unlikely be an eager observer into how his erstwhile club fare against Atletico as he admitted he could not even sit through the first leg - due to the tactics that were utilised.

In other news, there has been much activity on the rumour mill, with Chelsea apparently keen on Tottenham Hotspur midfielder Paulinho and the same transfer broker who negotiated Blue deals with Brazilian trident David Luiz, Ramires and Oscar could be pivotal in the negotiations.

One of those Brazilians, Luiz, may not be in West London for much longer, though, as a potential swap deal involving himself and an undisclosed sum could be sent to Atletico in exchange for Diego Costa.

The Brazil-born Spaniard is not the only striker Chelsea have been assessing, though, as talkSPORT have revisited the link with Arsenal target Mario Mandzukic.

Last weekend, Mourinho masterminded a Chelsea victory over Liverpool, yet potential racial abuse has marred the performance. A Sky Sports report indicates there has been a complaint following "an alleged racist remark directed at Senagalese striker Demba Ba who scored the opening goal of Chelsea's 2-0 win".

A police statement was quoted by the Liverpool Echo: "Merseyside Police can confirm that officers are aware of an allegation that potentially racist comments were directed towards two players during the match between Liverpool and Chelsea.

"No report or formal complaint has been received by the force at this time. Enquiries are being made into the circumstances surrounding the allegation."

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