The one Group B player Chelsea should sign after the World Cup

Diego Costa attempting an overhead volley

The World Cup group stage is almost over, and many players have caught the eye with their impressive displays ahead of the transfer window.

Group B has seen one of the shocks of the tournament, as reigning champions Spain have sensationally crashed out in the group stage, whilst Holland and Chile have marched into the knockout stages of the World Cup, leaving Australia with the wooden spoon after three defeats, though Ange Postecoglou's side can be proud of their performances.

There have been plenty of impressive performances from both teams and individuals in Group B, and a number of players have already been linked with transfer moves, such as Chile's Gary Medel and Alexis Sanchez, as well as Holland's Daley Blind and Bruno Martins Indi – yet it's actually a player that disappointed at the World Cup that Chelsea should sign.

The Blues desperately need to add a striker to their ranks after Samuel Eto'o's contract expired, whilst Fernando Torres and Demba Ba both struggled to find the net consistently last season, which could lead to summer exits from Stamford Bridge.

The biggest name linked with a move to Stamford Bridge has clearly been Atletico Madrid star Diego Costa. Having hit 35 goals 44 games for the La Liga champions, Costa has made himself a household name this season – and made the controversial decision to switch his international allegiance from Brazil to Spain ahead of the World Cup.

Whilst many had expected Costa to continue his goalscoring feats at the tournament, the 25-year-old endured a tough time – failing to get on the scoresheet and generally looking confused at this role in the team for the majority of the competition. So why should Chelsea sign him after such a disappointing World Cup?

Costa had little time to acclimatise to Spain's way of playing, having played in a far different system at Atletico Madrid. His amazing goalscoring record in Spain still shows that he is one of the top strikers in the game right now and regardless of his underwhelming World Cup, Blues boss Jose Mourinho should still go ahead and snap him up.

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