Barcelona possess such a strong first-choice XI that it’s tough to think of too many players in the world who would walk into Luis Enrique’s side.
Would Cristiano Ronaldo get a game with Neymar, Luis Suarez and Lionel Messi occupying the three attacking positions? The same question applies to Gareth Bale, Antoine Griezmann, Sergio Aguero and every other world-class forward plying their trade away from the Camp Nou.
It’s a similar situation in midfield where Enrique is able to call on the likes of Sergio Busquets, Ivan Rakitic and Andres Iniesta. While in defence there’s Gerard Pique, Samuel Umtiti and Jordi Alba.
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Perhaps right-back, where midfielder-by-trade Sergi Roberto is currently playing following the departure of Dani Alves in the summer, is the one position Barcelona could improve.
Marc-Andre ter Stegen is a first class goalkeeper and perfect for the Catalan giants.
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Xavi: Coutinho has gone up another level
However, former Barça midfielder Xavi believes there is one player who would improve the Spanish champions - and he’s currently playing in the Premier League.
Unfortunately for Liverpool fans, it’s Philippe Coutinho.
The Brazilian is on Barcelona’s radar and reports suggest an offer will be submitted next summer.
“Coutinho is a player I have always thought is special - but under [Jurgen] Klopp he has gone up another level,” Xavi told Goal. “On form there are not any better midfield players in Europe.
“He has always shown quality but now he is consistently playing well and that is good news for Liverpool if they want to really challenge for the title.
“He is playing under one of the most intelligent coaches in Europe. Klopp has a lot of experience at developing world-class players, so it is a good club for him to be at.”
Xavi: Coutinho would improve Barcelona
On the links with Barcelona, the Al Sadd midfielder added: “When you play at the level he is there is always going to be talk, but for now he needs to ignore all that and stay focused, because I think Liverpool have a real chance this season.
“There are not many players that can improve Barcelona, but if you are asking me if he is one of them, on this form, I think he is. Technically he is very good. He would suit Barcelona's philosophy well.”
Coutinho: Iniesta's successor at Barcelona?
Coutinho is improving all the time and is becoming an increasingly important player for both Liverpool and Brazil.
The Reds won’t allow the 24-year-old to leave Anfield without a fight but, like Luis Suarez in 2014, holding on to the South American could prove impossible if the player decides he wants to become the next Camp Nou superstar.
With Iniesta turning 33 in May, Coutinho could be the legendary midfielder’s natural successor.
Will Philippe Coutinho join Barcelona next summer? Have you say by leaving a comment below.