The fear of former team mate Neymar Jr joining Real Madrid is giving Barcelona star Lionel Messi sleepless nights.

Messi says it would be “terrible” if his old team-mate Neymar joined rivals Real Madrid, Skysports reports.

Neymar left Barcelona last year to join Paris Saint-Germain in a world-record £200m deal and has been tipped to return to Spain to sign for Real this summer.

Messi, who spent four seasons alongside Neymar at the Nou Camp, admits he would not like to see the 26-year-old at the Bernabeu.

He told TyC Sports,  “It would be terrible, because of everything he means to Barcelona.

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“Ney won important trophies here. He won the Champions League and La Liga. It would be a huge blow for everyone. It would make Real Madrid even stronger from a football point of view.”

Messi also discussed his own future, insisting that he does not have to leave Barcelona to prove himself.

He added, “I am not tempted to leave Barcelona. I will not be better anywhere else, this is the best team in the world.

“Every year I fight to win everything. I do not need to go to another team to prove anything.”