Osimhen scored just six minutes before the final whistle to seal the victory for Napoli at the Diego Armando Maradona Stadium.
More than a million people are expected to visit Qatar during the World Cup competition.
Maccabi Haifa thrash Juventus to further decrease their chances of progressing to the next round.
Despite the draw, City advanced to the round of 16 phase of the competition and currently sit top of group G.
Germany pulled off a comeback to beat Nigeria 2-1 on Tuesday evening.
The Nigerian clubs achieved impressive wins over two defending champions, one four-time winners.
The regime said it now conducts periodic simulation exercises of attacks and responses in the most risky facilities.
It was an emotional return for Costa, who gained a fearsome reputation during his three years stint at Stamford Bridge before he left in 2017.
Manchester City defeated Super Eagles defender Joe Aribo and his Saints side 4-0 to move top of the league table
Mbappe is expected to earn $128 million, displacing Ronaldo and Messi from the position for the first time in nine years.
