The fighting spirit and the never-say-die attitude exemplified by so many late goals are admirable qualities, but Pochettino is struggling to put his stamp on his team.
Pochettino dismissed any suggestion the six-time Ballon d'Or winner was unhappy, saying: "I asked him how he was and he said he was fine."
They play Manchester City next and still have to face RB Leipzig, two teams that beat PSG in last season's Champions League.
Mauricio Pochettino felt Lionel Messi brought calmness to PSG as he made his much-anticipated debut in a 2-0 win at Reims.
Coach Mauricio Pochettino said Kylian Mbappe had not told him he wanted to leave PSG for Real Madrid.
Both Messi and Neymar started pre-season training late after an extended break following the Copa America -- Messi's Argentina beat Neymar's Brazil 1-0 in the final in Rio de Janeiro on July 11.
The arrival of Georginio Wijnaldum from Liverpool adds much-needed quality in midfield, while Achraf Hakimi was just what they required.
Parc des Princes is being reported as the most likely next destination for Messi and Pochettino has done little to play down the ongoing rumours.
Lionel Messi called PSG coach Mauricio Pochettino, who is also from Argentina, on Thursday, a person with knowledge of the situation.
As good as he is, not even Navas could prevent the defeat against league leaders Lille, but the fact PSG is even in contention is largely down to him.
The 48-year-old Argentine will "respect isolation and is subject to the appropriate health protocols", PSG said on Twitter.
The Argentine winger was preferred to fit-again playmaker Christian Eriksen by manager Mauricio Pochettino
Spurs moved back up to fifth in the Premier League, still six points adrift of leaders Liverpool.
Tottenham striker Kane scored his 35th goal of the season two minutes from time to beat Crystal Palace 1-0 on Sunday.
Combined with Chelsea’s defeat at Manchester United, the win moved his side back into the top four despite a less than convincing performance.