The commotion off the field seemed to affect PSG's players as Nantes dealt the French champions a seventh Ligue 1 defeat of the season.
Lille stay top and gain a point on PSG, taking their lead to three on both them and Lyon, who could only draw at Reims on Friday.
The Brazilian was ruled out of both legs of PSG's Champions League last-16 tie against his former club Barcelona, and hasn't played since sustaining the injury on 10 February in the French Cup.
Canada's Jonathan David continued his recent scoring streak with a brace as Lille saw off Nantes to reclaim top spot from Lyon.
Ligue 1: Lorient emerge victorious as PSG suffer first defeat under Mauricio Pochettino; Lille go top of table
Neymar scored two penalties but the visitors collapsed late on at the Stade du Moustoir, as Nigerian Terem Moffi netted an injury-time winner.
Ligue 1: Paris Saint-Germain held in 'disappointed' Mauricio Pochettino's first match, Lyon extend lead
PSG fell behind early on to Romain Hamouma's strike before Moise Kean levelled soon after, but laboured in the second half and failed to find a winner.
The criticism did not sit well with the players, Abdoulaye Toure having to be held back by his teammates.
Raymond Domenech's tenure as France coach ended in humiliation at the World Cup in South Africa 10 years ago.
Defending champion PSG beat Strasbourg 4-0 in an otherwise uninspired performance that saw the home side benefit from three late goals amid sloppy defending from the visitors.
Ligue 1: Lille suffer first defeat of season at Brest, Lyon grab derby bragging rights over St Etienne
Paris Saint-Germain pulled five points clear at the top of the French league after Lille lost 3-2 at Brest on Sunday and surrendered the only remaining unbeaten record.
All the goals came in the second half at the Stade de la Beaujoire, with Ander Herrera opening the scoring two minutes after the restart and Mbappe converting a 65th-minute spot-kick before Pablo Sarabia secured the points late on.
Ligue 1: Moise Kean, Kylian Mbappe send PSG to top of table with win over Dijon; Lens-Nantes game called off amid COVID-19 cases
PSG were missing nine players due to injury or suspension, including Angel di Maria and Marco Verratti, while Mbappe was rested at kick-off ahead of a trip to Turkey to play Istanbul Basaksehir on Wednesday.
Sala's mother, Mercedes Taffarel, welcomed the news, but was "disappointed that it has today resulted in what may be a further significant delay to the inquest into Emiliano's death," according to her legal firm Hickman and Rose.
The 35-year-old Yılmaz netted 229 goals during a long career in Turkish football in which he starred for Istanbul-based Galatasaray, but had not scored in his first four games for Lille.
Ligue 1: As French league starts new season, coronavirus still a factor with opener rescheduled by positive cases
The game that was originally meant to open the Ligue 1 season — between Marseille and Saint-Etienne — had to be postponed because four Marseille players tested positive for COVID-19.
The blaze that destroyed the church's grand organ and shattered stained-glass windows in Nantes, comes just over a year after a massive fire at the Notre-Dame Cathedral in Paris
Ligue 1: Benjamin Andre's goal powers Lille to crucial win over Nantes; Lyon climb to fifth spot after beating Saint-Etienne
Benjamin André headed home the winner as Lille won 1-0 at Nantes on Sunday to boost its bid for third place in the French league and a Champions League qualifying berth next season.
Third-placed Rennes went behind early in the second half as Damien Da Silva scored an own goal but Brazilian Rafinha equalised in the 71st minute, firing home the rebound after Mbaye Niang’s penalty was saved by Alban Lafont.
“Because Emiliano Sala dreamed of wearing Argentina's shirt, Nantes players will leave their usual yellow and green jersey for a white and blue tunic," Nantes said in a statement.
Ligue 1: Kylian Mbappe bags brace as Paris Saint-Germain ease past Monaco; Rennes stake claim to Champions League qualification
The sides drew 3-3 in Paris on Sunday night in arguably the season's most entertaining game, although this time Paris Saint-Germain kept Monaco's attack quiet and exposed one of the worst defences in the league