Neymar's imminent arrival at Paris St Germain can help France's Ligue 1 grow to match Europe's powerhouse leagues, according to the director general of top flight side Lille.
PSG said in a statement that the four players were currently in isolation and subject to the appropriate health protocols.
A summary of Saturday's action in LaLiga, Serie A, Bundesliga and Ligue 1.
A round-up of Tuesday's Champions League quarter-finals second leg between Barcelona and Dortmund, Aston Villa and Paris St Germain.
Two goals in three minutes earned Paris St Germain a 3-2 win at bitter rivals Olympique de Marseille as the French champions regained the Ligue 1 lead on Sunday.
With some clubs having played 27 games and others 28, the LFP drew the standings according to a performance index - the number of points per game weighed by head-to-head record.
French football was again marred by violence after Olympique de Marseille's Ligue 1 match against Olympique Lyonnais was called off on Sunday when the visitors' bus and some fans were pelted with stones and beer bottles, injuring Lyon coach Fabio Grosso.
A round-up of Saturday's action in LaLiga, Ligue 1 and Serie A
Liverpool draw Sparta Prague in Europa League last 16
Real Madrid signed Mbappe as a free agent in a five-year deal after the Frenchman's contract expired at Paris Saint Germain (PSG).
Mohun Bagan sign Paul Pogba's elder brother Florentin
Coach Enrique understands Mbappe's decision to leave PSG
Bayern Munich eased past title rivals Borussia Dortmund 3-1 on Saturday to secure their 10th consecutive Bundesliga crown in front of a sold-out home crowd and with three games to spare, while Paris St Germain secured a record-equalling 10th French top flight title after stuttering to a 1-1 home draw by 10-man RC Lens.
Kylian Mbappe, who had a fallout with PSG last year after refusing to sign a contract extension, is seeking around 55 million euros ($60.73 million) from the French club.
The training centre will be closed until Monday and another screening session will be carried out on Friday.
At least 29 people were injured, including five seriously, when safety barriers collapsed at a French Ligue 1 game between Amiens and Lille on Saturday, local authorities and match officials said leading to the match being abandoned.
The French professional league (LFP) ended its season last week with 10 games left, awarding the title to Paris St Germain and leaving Lyon outside the placings for European competition next season.
'Trust me, the comeback of Leo Messi only depends on him.'
It's the first yellow card issued by a lady referee in the men's World Cup -- Stephanie Frappart is the umpire; Costa Rica's Oscar Duarte is the player -- and it all happened in the 76th minute of the match against Germany.
To see the major transfers in the English Premier League, Spanish La Liga, French Ligue 1, Italian Serie A and German Bundesliga in the January transfer window, click on the soccer ball (all transfer fees as reported by British media):
Argentina winger Angel Di Maria has joined Paris St Germain from Premier League giants Manchester United, the French club announced on twitter on Thursday.
Play was stopped in the first half and players left the field over the banners displayed by Nice fans. French media also reported homophobic chanting by the home supporters.
News of that transpired on and off the football field
He becomes PSG's latest signing following the arrival of Morocco defender Achraf Hakimi from Serie A side Inter Milan on a five-year deal.
Bayer Leverkusen crushed hosts VfL Bochum 5-0 to stretch their remarkable unbeaten run across all competitions this season to 50 consecutive matches.
Paris St Germain forward Neymar has said he was the target of a racist slur during the French champions' 1-0 defeat by Olympique Marseille on Sunday.
'We believe in ourselves, we believe we're a top team.'
Jim Ratcliffe pledged to invest $300 million in Manchester United to try to revive its fortunes.
Barcelona thrashed Real Betis 5-1 on Wednesday to book their spot in the Copa del Rey quarter-finals.
Real Madrid manager Carlo Ancelotti said on Saturday he is happy with how new signing Kylian Mbappe is settling into life with the Spanish soccer giants and he has no concerns about his team's slow start to the LaLiga season.
The French League (LFP) will take out a state guaranteed loan to pay clubs in its top two tiers the money they would have received from television broadcasts if the season had not been abandoned due to the COVID-19 pandemic, it said on Monday.
'I was told Doctor Gonzalez had left a note in which he mentioned that he had tested positive for COVID-19'
Bayern Munich midfielder Thomas Mueller has tested positive for COVID-19 and will miss the Club World Cup final against Mexico's Tigres UANL on Thursday
Paris St. Germain's unbeaten start to their Ligue 1 season continued on Friday with a comfortable 3-1 win over Rennes at the Parc des Princes that saw Bradley Barcola score twice to keep them top of the standings.
France captain Kylian Mbappe has agreed to join Real Madrid on a five-year deal.
Newcastle United have signed French winger Gabriel Obertan on a five-year deal from Premier League champions Manchester United, the north-east club said on their website on Tuesday.
A summary of sports events and sports persons, who made news on Thursday.
Olympique Marseille opened a one-point lead at the top of Ligue 1 after they were held to a goalless home draw by Stade Rennes in a rescheduled game on Wednesday.
David Beckham is likely to feature in the Paris St Germain squad for the first time when the Ligue 1 leaders take on arch rivals Olympique Marseille on February 24, coach Carlo Ancelotti said on Monday.