As Jose Mourinho arrives at Old Trafford and attempts to revive Manchester United, there will be one problem in particular to address.
Since the departure of no-nonsense former captain Roy Keane and the equally influential Paul Scholes, Manchester United have been lacking in similar quality players to make things happen in the middle of the pitch.
Ryan Giggs, one of the finest wingers and players in the game, adapted his role to become a key man in the centre, but it was still clear it wasn't his best position.
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The likes of Michael Carrick, who is probably the closest United have come to having a player similar to Keane and Scholes, German star Bastian Schweinsteiger, Darren Fletcher and Morgan Schneiderlin have all attempted to fill the void left by the two United legends, with varying degrees of success.
Here we look at five midfield masters that Mourinho could look to bring to Old Trafford this summer.
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Thiago Alcantara (Bayern Munich)
Thiago was a target for United before his move to Germany, but Ed Woodward and co were unable to persuade the Spaniard to move to Manchester.
The 25-year old was a graduate of Barcelona's famed 'La Masia' academy and made 68 appearances over four years, scoring seven goals.
He has made 50 appearances for Bayern since his move in 2013 for €25 million.
He has been picked in Vicente Del Bosque's Spain squad for Euro 2016, where he will be keen to impress after missing out on the 2014 World Cup due to injury.
Should he do so, Mourinho could look to bring him to Manchester.
Miralem Pjanic (Roma)
Another man who has been a reported target for the 20-time English champions is Pjanic.
The former Lyon man has been a key figure for the Italian side since his move from France in 2011.
He has played over 150 games for 'I Lupi', scoring 27 goals in the process.
While he is not a prolific goalscorer, his key attributes are his incisive passing and excellent work rate, qualities that United currently lack.
At 26, the Bosnian is at the peak of his career and his signing would certainly be a huge coup for United.
Geoffrey Kondogbia (Inter Milan)
Kondogbia may have only made his move to Italy last year, but could he be tempted by the chance to work with Mourinho?
The 23-year-old broke through at Lens in 2011-12 before moving to Monaco the following season.
He impressed during a two-year spell, catching the eye of Italian giants Inter.
They paid €31 million to land the French international, and while he's missed out on the national squad for the European Championships, he's set for a successful career for both club and country
Will Old Trafford be his next big name destination?
Paul Pogba (Juventus)
This one is a serious case of 'the one who got away' for United.
They had the talented but allegedly 'difficult' Pogba on their books until 2012, when his contract was allowed to run out, and he joined Juve on a free transfer.
United were not to know that Pogba would become one of the world's best midfielders, of course, but it is still a mistake that the Frenchman wasn't kept at the club with his obvious talent shining through during his time in Italy so far.
Juve look set to make a massive amount when, and if, they decide to cash in on their star man, and with Pogba set to feature for his country at Euro 2016, there could be plenty of interest from other clubs as well as Manchester United.
Lucas Biglia (Lazio)
A final potential midfield signing for the Red Devils is 30-year old Biglia.
He has been a key man in the middle of the park for Lazio since he joined in 2013, featuring over 70 times and scoring nine times.
He broke through at Anderlecht, where he enjoyed a seven-year spell, accumulating almost 200 appearances.
Despite being the oldest player on this list, Biglia would still be a solid signing for United, offering strength and solidity in protecting the back four.
The Argentinian has been called up to his country's 23-man squad for the Copa America, where he will hope to inspire his team to victory in the competition's 100th anniversary.
Five big stars. All would be excellent additions to the United midfield. Time will tell if 'The Special One' has his eyes on one or more of these, or maybe different targets of his own.
Out of these five, which would best suit Manchester United? Have YOUR say in the comment section below!