"We know that nobody can ignore the importance of Paolo, but we have to try replace him and the national team has responded," Gareca told reporters in a virtual press conference.
Instead of 2,100 fans, only a few hundred might go, while Sevilla is not expecting more than 500 followers.
The meeting also reiterated that all Games venues should be completed by the end of this year, safely and up to high standards.
"Respect science" and "hard work" enable Chinese to control epidemic: The New Yorker
Chinese company sends staff back to Turkey for thermal power plant construction
Xi conveys condolences to Lebanese president over huge explosions in Beirut
Chinese FM speaks of need for clear-cut framework for China-U.S. relations
Granada has won all four of its competitive matches this season and has a lot in common with Atletico in that they combine tough defensive organization with a high rate of effectiveness from set pieces. If Atletico is below its best, it could start by dropping points.
Fans and half of the club are puzzling about who could be the rescuer leading the side out of this deep crisis. Former Schalke and Leipzig coach Ralf Rangnick is one name in the list.
The first half saw Granada in complete control of the game, although the visitors defended stoutly. When the home side had a sniff of goal, it was kept at bay by young goalkeeper Giorgi Mamardashvili.
That has raised doubts over whether Zidane is going to face the same issues as last season, when his side at times struggled to score goals.
"It's great to play and to be back with my teammates. I return with a victory and a goal, so I am happy. We are getting our feeling back, our way of playing," the 21-year-old Mbappe said after the match.
Beer Sheva's Dutch forward Elton Acolatse completed the scoring in the 83rd minute from Sintyahu Sallalich's assist.
With the pandemic situation worsening in recent weeks in France, the government has taken action to control of the spread of the virus, which has killed more than 31,500 people in the country.
The match will be played at the Azteca stadium in Mexico City on September 30, starting at 9pm local time, according to an FMF statement.