The Argentine's representatives and Barcelona did not immediately respond to requests for comment.
Messi's donation will be split between Hospital Clinic in Barcelona and another medical centre in his home country. Former Barcelona player and manager Guardiola made his contribution to a campaign launched by the Angel Soler Daniel Foundation and Medical College of Barcelona.
Europa League kings Sevilla breezed past Manchester United into the semi-finals of their favourite competition as Youssef En Nesyri scored twice
Pusarla Sindhu sent Indian fans into a frenzy by blasting through Japan's Nozomi Okuhara to reach the gold medal decider for the women's singles at the Olympic badminton on Thursday.
Lionel Messi had two free-kick attempts while ex-Sevilla midfielder Ivan Rakitic narrowly missed the target from inside the area.
"We can confirm that we received a claim from the club Santos concerning the player Neymar and the club FC Barcelona," FIFA said in a statement.
A player in Sevilla's first team squad has tested positive for COVID-19 ahead of their Europa League last-16 tie against AS Roma, the La Liga club announced on Wednesday. The Spanish club said they conducted tests on Sunday on players, coaches and staff. The player, who was not named, is asymptomatic and is self-isolating at home.
Kidambi Srikanth's hopes of a medal in the men's badminton competition at the Rio Olympics remain alive. India's sole men's singles player in the tournament scored hard-fought 21-19, 21-19 victory over world No. 5 Jan Jorgensen to enter the quarter-finals on Monday.
Barcelona defender Gerard Pique blamed the club's pre-season trips to the United States and Japan for their shaky start to the season.
Images from Sunday's action in La Liga and Ligue 1.
Kevin Gameiro grabbed a stoppage-time equaliser for Valencia after Denis Cheryshev had reduced the deficit with 20 minutes remaining, leaving the tie in the balance heading into the second leg at the Mestalla stadium on February 28.
Ole Gunnar Solskjaer and the club's ex-assistant coach Mike Phelan are set to return to Old Trafford as caretaker managers until the end of the season
Giant-killing Danes Christinna Pedersen and Kamilla Rytter Juhl stunned China's second-ranked pair in the semi-finals of the women's badminton doubles at the Olympics to end the Asian nation's 20-year stranglehold on the title.
Congratulate Indian badminton's golden girl P V Sindhu who continued her golden run in 2016 as she triumphed at the China Open to win her maiden Super Series title
P V Sindhu caused the biggest upset in the women's singles of the badminton tournament at the Rio Games, shocking China's world No 2 Wang Yihan 22-20, 21-19 to enter the semi-finals on Tuesday night.
Frenchman Quartararo's victory was also the first for Petronas Yamaha as he finished ahead of Yamaha's Maverick Vinales in second, while Ducati's Andrea Dovizioso finished third.
The Rio Games silver winner easily notched up a 21-14, 21-15 win over unseeded Japanese Aya Ohori in the second round match that lasted just 40 minutes.
Alvaro Morata spurned Spain's best opportunity in a dominant first half display from Luis Enrique's side on a scorching evening at Seville's La Cartuja stadium in Group E when he missed the target from inside the area after a defensive slip.
Badminton players P V Sindhu and Kidambi Srikanth carry India's medal hopes on Day 11 of the 2016 Rio Olympic Games.
Two wheels and an open road. Biking during Coronavirus Days.
'The Chinese will be gunning for revenge now after Sindhu's victory.'
A summary of Sunday's action in Serie A and Bundesliga.
India's report card on the tenth day of the 2016 Olympics.
Bayern edge closer to Bundesliga title after win at Arminia
A round-up of Saturday's action in LaLiga, Ligue 1 and Serie A.
Love travelling and taking pictures? This list is for you!
The experienced Indian pair of Jwala Gutta and Ashwini Ponnappa were eliminated from the women's doubles at the Rio Olympics after losing their second successive Group A match on Friday. In a rollercoaster game against the Dutch pair of Eefje Muskens and Selena Piek, Jwala and Ashwini went down 16-21, 21-16, 17-21 in 48 minutes.
The London Olympics bronze medallist beat world No. 73 Brazilian Vicente Lohaynny 21-17, 21-17 in 39 minutes, while Sindhu, a two-time World Championships bronze winner, had things her way against Laura Sarosi of Hungary, winning 21-8, 21-9 in 27 minutes.
Here's a glimpse of all that happened around the world last month, in 10 images
A summary of sports events and persons who made news on Friday
In a men's singles quarter-final match earlier in the day, Sameer Verma too was shown the door after he suffered a 10-21, 12-21 loss to second seed Shi Yuqi of China.
Olympic silver medallist shuttler PV Sindhu admitted that there is more responsibility on her shoulders post the Rio Games as everyone now wants her to achieve more laurels for the country. Sindhu, who was here to receive Rs 30 lakhs from the Indian Olympic Association (IOA) as prize money for winning silver in Rio Olympics, said she is focused on keeping things simple despite the responsibility. "Definitely there is more responsibility and everybody's eyes are on me to achieve more. That is there but I said to myself I should not take too much pressure. My aim is to keep playing well. After the Olympics, I have won a Superseries and I have done well," the lanky Hyderabadi shuttler said.
The new president of the Spanish tennis federation (RFET) has fired the nation's first female Davis Cup captain, Gala Leon, two weeks before the Group I second-round tie away to Russia.
'We created so many chances and simply weren't effective with them. In fact we created a rainbow of different chances and there are just some days when the ball refuses to go in.'
Having stunned world No. 5 Jan Jorgensen in straight games, Indian shuttler Kidambi Srikanth said he was well-prepared with his strategy against the Dane that helped him secure a quarter-final spot at the Rio Olympics.
A round-up of Tuesday's action in the UEFA Champions League.
News of all that transpired on and off the football field.
A round-up of Wednesday's action in the UEFA Champions League.
Forgot the major events that shaped the news last week? Here's a quick recap of the incidents of the previous week.
Lorenzo Insigne curled a quite wonderful shot beyond the reach of Belgium goal-keeper Thibaut Courtois after jinking in from the left flank.