Galtier said all other players returned as per the schedule and will be available for Wednesday's game, including France striker Kylian Mbappe.
Messi said his team knew Saudi Arabia, despite being the team ranked second-lowest in the tournament, could hurt them.
Ronaldo admitted that both of them changed the history of football and urged his fans to not hate on Messi.
Messi's contract with Barcelona is set to come to an end this season
Argentina striker Lionel Messi will leave Barcelona despite both parties having reached an agreement over a new contract, the La Liga club said on Thursday, citing economic and structural obstacles to the renewal of deal.
Argentina's Di Maria to quit internationals after Copa America
Lionel Messi passed Javier Mascherano as Argentina's most capped international on Monday and scored twice as they beat Bolivia 4-1 to set up a Copa America quarter-final against Ecuador.
Lionel Messi won his 100th Argentina cap when he started the Copa America Group B match against Jamaica on Saturday.
Much-needed rest for the Barca stars before FC Barcelona's UEFA's Champions League campaign.
Lionel Messi still wishes to leave Barcelona after meeting new coach Ronald Koeman, according to reports in the Spanish media on Friday, as all four sports newspapers dedicated their front covers to the Argentine's uncertain future.
The 34-year-old Argentine joined PSG on a two-year contract with the option of extending it by another year after Barcelona made it clear they could not afford to keep him because of LaLiga's financial fair play rules.
Lionel Messi has added another record against his already legendary name.
Julian Alvarez bagged Argentina's second from close range in the 57th minute after fatal hesitation from Ryan with the ball at his feet following a backpass.
The PSG frontline is already formidable, with Messi's former Barca team mate Neymar and young France striker Kylian Mbappe seen as two of the best players on the planet.
Saudi Arabia stunned Lionel Messi's Argentina 2-1 with brilliant individual goals from Saleh Al-Shehri and Salem Al-Dawsari during the FIFA World Cup Group C match on Tuesday.
Earlier, Messi's World Cup-winning team mate Emiliano Martinez won the Lev Yashin award for the world's best goalkeeper.
Argentina became the first side to book passage into the Copa America quarter-finals
Angry Barcelona fans chanted for the resignation of the club president Josep Maria Bartomeu after captain Lionel Messi announced on Tuesday that he wished to leave the Catalan side.
Los Angeles Dodgers star Mookie Betts bought the first announced team in the WBL, which is yet to announce the franchises and schedule of the first event of the league featuring mixed-gender teams.
Argentina beat Ecuador 4-2 on penalties to move into the semi-finals of the Copa America on Thursday after goalkeeper Emi Martinez made two saves for the reigning champions in the shoot-out following a 1-1 draw in regulation time.
Lionel Messi is set to join Paris St Germain after Barcelona were forced to let their Argentine talisman go as they could not afford to give him a new contract under La Liga's salary limit rules.
Two of the most intimidating strikers in world football, Argentina's 35-year-old Lionel Messi and Poland's 34-year-old Robert Lewandowski, line up against each other on Wednesday with a last 16 place at stake in the World Cup.
Messi was a mainstay of Guardiola's Barca side that won 14 major titles and has been linked with a switch to City
PSG said in a statement that the four players were currently in isolation and subject to the appropriate health protocols.
Lionel Messi lamented Argentina's shock second half capitulation against Saudi Arabia on Tuesday but said he was not surprised by the threat from opponents 48 places lower in the world rankings.
The Italian coach considers that having healthy players, such as striker Karim Benzema, will be the key to face the schedule that awaits the Madrid side, who will be looking to defend their LaLiga, Spanish Super Cup and Champions League titles.
Two of the greatest football players of the 21st century, Lionel Messi and Cristiano Ronaldo broke the Internet by posting a picture as part of the promotional campaign for the FIFA World Cup, in which they were portrayed playing chess against each other.
Argentina and Australia have only two full days to rest, a factor Argentine manager Lionel Scaloni called 'madness'.
Lionel Messi received a surprise house-share offer from Real Madrid captain Sergio Ramos
Juventus striker Cristiano Ronaldo would like Barcelona's Lionel Messi to leave Spain and rekindle their rivalry by joining him in the Italian top flight.
'The kids' happiness with the resemblance between me and Messi is indescribable. When you make someone happy, God rewards you. I wanted to share this happiness with them'.
Manchester City manager Pep Guardiola admitted he was surprised that Norwegian striker Erling Haaland declined to take a penalty for his side in Saturday's FA Cup final against Crystal Palace with the kick subsequently being missed by Omar Marmoush.
Boxer Alvarez fumes at Messi celebration video after beating Mexico
The Barca chief also said that the financial situation that he had inherited from former club president Josep Maria Bartomeu was "far, far worse" than anticipated.
The Aston Villa 'keeper saved three penalties in the 2021 Copa America semi-final and Argentina went on to lift the trophy. Now he's stopped two more in a World Cup quarter-final and this could just be a good omen for Messi!
Although the prosecutor has argued Lionel Messi should not have to answer the charges as his father oversaw his finances, a court document published on Thursday showed the judge in the case had ruled he must still appear as a defendant.
Barcelona captain Lionel Messi sat out Friday's training session as he has a small thigh strain, the Spanish champions said. Barca returned to full training on Monday for the first time in three months ahead of the Spanish season re-starting on June 11 after being halted since March due to the COVID-19 pandemic.
Lionel Messi became the all-time top scorer for a single soccer club on Tuesday after scoring his 644th goal for Barcelona during their La Liga match against Real Valladolid, surpassing Pele's record goal haul for Brazilian side Santos.
Pele scored 643 goals in 19 seasons for Brazilian side Santos.
Real Madrid star Cristiano Ronaldo has heatedly denied suggestions that he calls Argentine ace Lionel Messi offensive nicknames.