Real Madrid and Barcelona both had markedly differing campaigns in 2014/15.
Rafael Benitez has the toughest of tasks bringing Real back up to the level that their supporters demand whilst Luis Enrique will need to ensure that Barca don't rest on their laurels after taking all before them last season.
There will be casualties of course. During the summer both managers need to address the issues of fringe players. Individuals who rarely, if ever, get the minutes required to justify their existence in the squad.
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Furthermore, those same players need to move away to realise their own ambitions. Let's take a look at five players who could conceivably make a move to the Premier League in time for the start of the 2015/16 season...
After signing a new contract at the beginning of the last campaign on the promise of more minutes, Martin Montoya failed to deliver anything like the level required to make Enrique's decision an easy one.
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Even when Dani Alves wasn't at his best in the early part of the campaign, Montoya was still unable to carve a niche for himself at right-back. He's certainly a capable player and his defensive qualities will suit the Premier League. In many respects he is better than Alves for the role which he is handsomely remunerated.
Montoya just isn't the swashbuckling wing-back that Barca require.
After being dogged by injuries, Jese hasn't made quite the impact expected at the Santiago Bernabeu. With Cristiano Ronaldo, Gareth Bale and Karim Benzema very much the first choice front three, Jese has only had fleeting opportunities to show his worth to Real Madrid.
Clearly a terrace favourite, news that West Ham United are in advanced talks to sign the player on a years loan won't go down well. But, Slaven Bilic will be overjoyed if he manages to capture the 22-year-old who shows a penchant for hard work and application and an eye for goal.
He'll certainly be able to handle the more rudimentary aspects of England's top division too.
One of Barcelona's most natural centre-backs, it's a surprise to many as to why Marc Bartra hasn't been afforded the opportunity of a more regular tenure in Barca's back line. Javier Mascherano seems to be the partner of choice for Gerard Pique but Bartra has excelled whenever he has been introduced.
The worry for Barca fans is that the player's buy out clause has been reduced to just €12 million. For that price a whole host of Premier League clubs will snap Barca's hand off. A cryptic "we'll have to wait and see" from the player concerning his future also hints at a move away.
The young Norwegian international arrived at Real in a blaze of publicity and through no fault of his own has promptly made more enemies than friends in the club's reserve side Castilla. With no chance of a regular first-team berth at this stage, a loan move away represents a good move for all parties.
There's no suggestion that Odegaard will be sold permanently but he clearly needs games at a high level to continue his accelerated development. Rafa Benitez's connections in the Premier League will see that whomever he is loaned to, Odegaard will be looked after appropriately.
Once earmarked as the "new Xavi," Sergi Roberto's career at Barca has stagnated spectacularly. Another youngster who has just been unlucky enough to come through the ranks at La Masia at the time when Barca and Spain have possibly their greatest ever midfields in-situ.
Roberto is no Busquets, Xavi or Iniesta. He is a solid and dependable attacking midfielder adept at holding play and delivering the killer pass. Indeed, his pass completion stats are amongst the best in the squad and given a run of games he will only improve.
Another who needs to move rather than be wrapped in the comfort blanket in Catalonia if he wants to develop.
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