5 World Cup Stars Who Could Strengthen Jose Mourinho's Chelsea Squad
The transfer window officially opened this week, meaning clubs across Europe can buy and sell players once more.
There is more to come, though, with Jose Mourinho looking to build a squad capable of going one better than last season, where Chelsea finished third in the Premier League and reached the Champions League semi-final.
This summer's World Cup has been a scout's dream, with a vast amount of talent on display. Plenty of transfers will be made on the back of the tournament, so with that in mind, Bleacher Report highlights five stars from Brazil 2014 who will strengthen Chelsea's squad.
Divock Origi's form has been so impressive at Brazil 2014. He has ousted Romelu Lukaku from Belgium's starting line-up.
Still only 19 years old, he has shone on the world stage, and Lille are going to have their work cut out to fight off the inevitable frenzy for his signature.
He is quick, skillful and, as we have seen, leads the line efficiently as the lone striker.
Origi has linked up well with Belgium's attacking midfielders, playing in a system not too dissimilar to what Mourinho deployed last term.
Given Eden Hazard is a big part of that for Chelsea and the Belgians, it bodes well for thinking Origi would strengthen Chelsea's forward ranks.
He would have to accept a role playing No. 2 to Diego Costa, but at 19, he still has plenty of time to become a first choice to give Chelsea more depth on the bench.
With David Luiz already sold to Paris Saint-Germain and Tomas Kalas spending the next year on loan with FC Koln in Germany, Chelsea are suddenly looking low on numbers when it comes to their centre-backs.
With John Terry and Gary Cahill as the first-choice pairing, the Blues need a player who is not only experienced but also willing to accept a reduced-playing role.
There are youngsters who are coming through at Stamford Bridge, but Mourinho knows he cannot throw his full weight behind them just yet.
Sporting Kansas City and Team USA defender Matt Besler could prove a very able addition to the Blues' squad this summer, and with a lower profile compared to his peers, he fits the bill.
The 27-year-old enjoyed a phenomenal World Cup and was one of Team USA's most consistent performers.
It showed he is a big talent, and we shouldn't be too surprised if some European clubs are found sniffing around Sporting Park in the coming weeks as they take a closer look at Besler.
With five goals in four games at the World Cup, James Rodriguez has been among the tournament's leading talents this summer.
He was already a known figure before Brazil 2014, and now his appeal has hit the stratosphere, especially after his wonder goal against Uruguay in the last 16 to put Colombia 1-0 up in the game.
Currently plying his trade in Ligue 1 with Monaco, Les Rouges et Blanc have the financial backing to stave off the inevitable interest that will come in James when the World Cup ends.
It shouldn't mean Chelsea avoid making a move for the 22-year-old, though.
The Colombian joined Monaco from Porto last summer for £35 million, so his price tag is going to be considerably high. Given what he brings, he will be worth it.
Chelsea have plenty of talent in attacking midfield right now, yet with the goals, pace and sheer entertainment factor James will bring, he's a player they can always find room for.
James is a match-winner, and Chelsea could have done with a few more of them last season.
Now that Ashley Cole has been officially released, Chelsea have few options at left-back.
Cesar Azpilicueta did a good job deputizing there last term, but he cannot go another season playing out of position.
The Blues urgently need to sign a player to take over from Cole.
Step in Daley Blind, whose World Cup displays have reaffirmed his standing as one of the most exciting players in his position right now.
Not only is the Ajax man good defensively, he also offers plenty going forward.
And with a deal for Diego Costa all but sealed (refer to our introduction slide), the sight of Blind assisting Robin van Persie's equalizer against Spain in Holland's opening match of Brazil 2014 will give Jose Mourinho food for thought.
It was a deep cross from Blind that set Van Persie free of the Spanish defence, latching on to the ball to head over Iker Casillas, scoring one of the goals of the tournament.
Chelsea will need to get the ball forward quickly for Diego Costa to punish defences next term, and with service like that from Blind, their star striker would all but guarantee continuing his exceptional scoring record from his time with Atletico Madrid.
Chile were expected to perform well at Brazil 2014, but even though it was the case, they still bowed out, having surprised many.
Jorge Sampaoli's side easily dispatched Spain in their Group B encounter and pushed hosts Brazil all the way in the last 16, eventually losing on penalties.
They were impressive and among those players at the heart of it all was Arturo Vidal.
Fans of European football have long known of his talents, and by adding him to the Chelsea ranks, the Blues' midfield would look formidable.
Vidal wasn't fully fit at the World Cup, but he still stood out, and with the likes of Cesc Fabregas and Nemanja Matic alongside him at Stamford Bridge, he would look even better.
Now, it's just convincing Juventus to sell.
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