How Barcelona and Real Madrid could boost Arsenal, Chelsea and Manchester United's title chances

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Barcelona and Real Madrid's firesale could prove hugely beneficial to the Premier League and make the top four very competitive, while enhancing the title chances of Chelsea, Arsenal and Manchester United.

Cesc Fabregas and Alexis Sanchez have already left Barcelona, while Diego Costa and Filipe Luis have departed Atletico Madrid. Arturo Vidal could leave Juventus and so could France international Paul Pogba, while question marks remain on the futures of Sami Khedira, Angel di Maria, Isco and even Karim Benzema.

While Vidal and Pogba could be sold by Juventus because of financial reasons and Atletico have no option other than to let go of their star players year after year, the rest are/were deemed surplus to requirements at their respective clubs.

The common link among all the aforementioned players is that they could move or have moved to the Premier League's top clubs.

Fabregas and Sanchez have joined London giants Chelsea and Arsenal respectively, while Costa and Luis have left Atletico for the Blues.

While Vidal and Di Maria have been linked with moves to Manchester United, Khedira and Benzema are said to be on the radar of Arsenal, Pogba a target of Chelsea manager Jose Mourinho and Isco of Liverpool boss Brendan Rodgers.

The Premier League has always claimed itself as the 'best league in the world', and now potentially it could have the best title race on the planet.

If all the players mentioned above do move to the top four or five clubs in the Premier League, then there will be no question that the race for the title in the English top flight will be the most competitive in the world.

Of course, one could point out that the majority of the big-name players linked with moves to the Premier League are 'rejects' of the big two in Spain, but there can be no denial that they are among the best in the world.

Take Di Maria for example. The Argentina international was the best player in the Champions League final last season, created more goals than anyone else in La Liga and was Madrid's second best player after Cristiano Ronaldo and ahead of Luka Modric.And he was actually better and more important to Carlo Ancelotti's side than Gareth Bale was in 2013-14.

Paris Saint-Germain are reported to be the frontrunners for Di Maria, but if United do eventually sign the 26-year-old, then they will get a world-class winger who will solve the Red Devils' problem in that area rightaway.

Manager Louis van Gaal may have wanted Arjen Robben (click here to read more), but in Di Maria he will get a player four years younger than the Dutchman and willing to do twice as much running.

Fabregas, Costa and Luis have already made Chelsea a very strong team, and Pogba - if he arrives - is going to make them sensational. Sanchez at Arsenal will be key in bringing out the best of Mesut Ozil, and the arrivals of Khedira and Benzema at the Emirates Stadium will make Arsene Wenger's squad very strong and capable of coping with injuries that they failed to last season.

SEE ALSO: How will £63m James Rodriguez fit in at Real Madrid?

Last season's English champions Manchester City have already signed reinforcements in Fernando, Bacary Sagna and Willy Caballero, while Isco, if he moves to Liverpool, is going to add more creativity to the Reds that will be crucial in compensating for the lack of Luis Suarez (click here to read more).

The Premier League has often been derided for proclaiming itself as the best domestic league in the world, but in 2014-15 it could be - at least when it comes to the title race - the most competitive on the planet.

Who will win the Premier League title next season?

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