Mexico had been due to face Costa Rica on the same day, but the Central American team withdrew on Tuesday because their players faced a two-week quarantine upon returning home.
"I'm grateful for the effort of the players because it wasn't easy," Torrent told reporters after the clash at Estadio Monumental.
"With Alexander Sorloth, we have signed our desired candidate for the vacant striker position," Leipzig's sporting director Markus Krosche said. "He is a physical and technically gifted player but also good in the air and a finisher in front of the target."
Betis are another team with two wins from two games after Nabil Fekir's penalty after 10 minutes and William Caravalho's powerful drive from outside the area eight minutes later gave the team from Seville a comfortable 2-0 victory against Valladolid and maintain new coach Manuel Pellegrini's perfect start.
Viera bagged his second with a stunning free kick in the 56th minute, before Cedric Bakambu added the fifth in the 85th minute.
Corinthians, one of Brazil's most successful and popular clubs, are currently 13th in the country's top flight standings with just three wins from 10 matches this season. Enditem
With one round left, Chongqing has booked a berth in the next stage.
Monday ends with Fulham looking for their first points at home to Aston Villa, before Liverpool entertain an Arsenal side that defeated them on penalties in the Community Shield at the end of August.
"We know it is very important, but we think it will not affect the competitions of the Olympic Games," he said.
Dominic Calvert-Lewis hit a hat-trick as Everton also made it two wins from two games with a 5-2 thrashing of newly promoted West Brom, who have now lost twice and conceded eight times on their return to the top-flight.
Despite the likely return of some familiar faces, Queiroz hinted at possible surprises in his squad.