The Frenchman, voted the world's third best player of 2016, has been the subject of intense transfer speculation since signing a new contract with Atletico in May 2017.
Barcelona have been very active in the transfer market in recent years, completing three of the top six most expensive transfers ever.
The France international is widely expected to move to Liga champions Barcelona at the end of this campaign.
Barcelona coach Ernesto Valverde will be banking on new signing Ousmane Dembele to fill the gap left by Neymar's departure as he looks to overcome off-pitch difficulties when the Catalans take on Espanyol on Saturday.
'We are going through difficult and complicated moments and with respect to what could happen in the future we will take it on with calm and wisdom'
Barcelona coach Luis Enrique is still not satisfied despite winning five trophies in 2015 and is aiming to do even better next year.
Yet even without a transfer fee, Messi's colossal salary, reported to be the highest in world football, means very few clubs would be able to afford him.
Messi's damning assessment of the team came home to roost when the season re-started after the coronavirus stoppage and Barca surrendered the league title to Real Madrid, prompting the captain to launch a new tirade against the team.
Barcelona coach Luis Enrique declined to say if he will still be at the helm next season after leading them to a treble in his first season including Saturday's Champions League triumph over Juventus.
Neymar's double helped Barcelona cruise to a 5-0 victory in the first leg of their King's Cup last 16 tie against Elche.
'I would never go to court against Barca because it is the club that I love, which gave me everything since I arrived. It is the club of my life, I have made my life here.'
UEFA issued a strong statement jointly with English, Spanish and Italian leagues and football federations, saying they were ready to use "all measures" to confront any breakaway and saying any participating clubs would be banned from domestic leagues, such as the Premier League.
Barcelona coach Luis Enrique is leaving the Spanish La Liga champions at the end of the season when his contract expires after three trophy-laden seasons at the club.
News of all that's transpired on and off the football field
Ousmane Dembele struck early and Lionel Messi converted a late penalty as Barcelona won 2-0 at Juventus in the Champions League on Wednesday after Alvaro Morata had three goals disallowed for offside for the Serie A side.
Arsenal extend Aubameyang stay with new three-year deal
Underlying tensions mean Luis Enrique will not be remembered with the same reverence as Pep Guardiola, even though he has delivered a similar trophy haul.
Barcelona defender Gerard Pique has decried the fans who booed manager Luis Enrique and the players in Sunday's laboured 2-1 home win over Leganes in La Liga as having a short-term memory.
Barcelona coach Luis Enrique is head strong but it appears as though he may be fighting a losing battle with the four times World Player of the Year.
A superb strike from Jose Luis Morales condemned Real Madrid to a 1-0 defeat away to Levante on Saturday which saw them unseated at the top of the La Liga standings by Barcelona. Real's problems deepened with a suspected ankle injury to Eden Hazard, who limped off the pitch four days before their Champions League showdown with Manchester City and a week before their showdown with Barca in the 'Clasico'. Real's problems deepened with a suspected ankle injury to Eden Hazard, who limped off the pitch four days before their Champions League showdown with Manchester City and a week before their showdown with Barca in the 'Clasico'.
News of all that transpired on and off the football field.
News of all that's transpired on and off the football field
Messi, whose deal expires in 2021, had called his side "weak" and "inconsistent" after they lost the league title to Real Madrid.
Barcelona would not be allowed to play in La Liga if Catalonia broke away from Spain, the country's football league chief Javier Tebas said as tensions mounted in the region over the possibility of an independence referendum next month.
News of all that's transpired on and off the football field
News that transpired on and off the football field.
A summary of sports events and persons who made news on Thursday.
News of all that's transpired on and off the football field.
News of all that's transpired on and off the football field
Barcelona have joined captain Andres Iniesta in calling for dialogue between the Spanish government and leaders in Catalonia to resolve the crisis between the central government and its richest region following Sunday's disputed referendum.
A summary of sports events and sports persons, who made news on Saturday
News of all that's transpired on and off the football field