There can be no doubting that Chelsea were by far the best team in the Premier League last season, and that no other team could even come close to Jose Mourinho's side. But now with the start of the new season looming, it's time for Mourinho to strengthen once again.
Chelsea were perhaps best known for their rock solid defence last year as they conceded very few goals which made sure that they also lost very few games. Added to this, the inclusion of Thibaut Courtois added some freshness to the team whilst the consistent form of Ivanovic, Cahill, Terry and Azpilcueta made it almost impossible to score.
It is clear that John Terry is unlikely to remain fit for a whole season like he did last year, at 34 years of age it would be ridiculous to think that he could play a whole season of around 50 games without injury occurring.
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Therefore, a new centre back is likely to be on Mourinho's wish list this summer, especially as he is now moulding a squad for the future after including players such as Isiah Brown and Ruben Loftus-Cheek at the end of the campaign. So who are the players in line for a chance at this spot as John Terry's reserve?
Raphael Varane is a player who has attracted lots of media attention following speculation linking him with a move to Stamford Bridge this summer, especially as Mourinho was the man to bring him into the fold at Real Madrid.
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Mourinho understandably remains an admirer of Varane's since he has left Madrid although it still remains unlikely that the Spanish giants would consider selling the youngster, particularly given Sergio Ramos' situation.
John Stones has also been a player linked with Chelsea as he can be seen as the next 'John Terry', a young English defender with heaps of enthusiasm could be just what Jose is looking for.
Additionally, with the strictness of home-grown players increasing this would also help Chelsea to meet the FA's demands and keep them in line with current regulation. Furthermore, this is likely to be a much cheaper option than Varane and so could be a risk worth taking.
Overall, a new defender is likely to be a high priority for Mourinho during the transfer window.
Room For Improvement
Yes, Chelsea had a great squad last year, clearly shown as they were obvious winners of the Premier League and had little competition. But, when it came to other cup competitions such as the FA Cup and the Champions League, Mourinho's side seemed to lack a plan B.
Moments of trickery from Eden Hazard and world-class link up play from Cesc Fabregas and Diego Costa ensured vital wins last season. However, when these players were not on form, no one else seemed to step up to the mark.
Oscar in particular had a reasonably poor season last year and only managed 4 goals in total, which for a modern day attacking midfielder is very little. Juan Cuadrado, who was signed from Fiorentina, was very well known for his skill and flair but when he moved to Stamford Bridge, all of this seemed to disappear and he became a shadow on the pitch.
So will Mourinho stick with some of these players, or try and find some new replacements?
Here are some options for the Chelsea manager to consider...
Paul Pogba, the Manchester United outcast who has made himself a name at Juventus, and made it to the Champions League final last year. Perhaps the hottest young talent in the world right now and would provide great cover for both Nemanja Matic and Cesc Fabregas. But all of this talent doesn't come cheap as he is likely to cost around £60-£70 million.
Arda Turan had been linked, but Barcelona were able to clinch a deal for the coveted Turkey international, who joins the Catalan club from Atletico Madrid.
Kevin De-Bruyne, the ex Chelsea star who was castaway from Mourinho, has subsequently been named as the German Bundesliga's Player of the Year during his first season at Wolfsburg.
Perhaps one of Mourinho's biggest regrets will be the sale of this player, but some people believe there may be some form of buy-back clause in his contract which would make Chelsea the frontrunners for his signature.
However, De Bruyne may not be keen on working with Mourinho, the man who threw him out, so this deal looks less likely.
What are your thoughts on who Chelsea should sign for next season?