"We will add new blood," he said. "The door of the national team is always open to those who are in good form and willing to fight, no matter they are teenagers or experienced players."
"Peru are a solid team with some great players. It's going to be difficult to play them there [in Lima]," Firmino told a virtual news conference on Saturday.
The Patriots had a chance to sink a buzzer-beater, but guard Henri Wade Chatman failed to hit the target behind the free-throw line at the last second.
Both players had also tested positive on Sunday, along with defender Christian Ramos and striker Aldair Rodriguez. The latter two were cleared to play in Tuesday's fixture at Estadio Nacional after testing negative on Monday, the Peruvian Football Federation said.
Meanwhile, football training is to start in mid-October to prepare teams for the start of Malawi's top league in November.
"The players don't seem worried, because unfortunately it is a situation that will last for a while. We'd all like things to be different and to be able to play with fans in the ground, but we can't be worried, even though we all want this to be resolved as soon as possible," said the coach in his pre-game press conference.
As Ji missed a big three-pointer which could have sealed the win in regulation time, both teams battled hard and were unable to establish a double-digit lead all the way into overtime.
The Englishman is excited by the two world records that were broken in Valencia, Spain on Wednesday night -- by Uganda's Joshua Cheptegei in the men's 10,000 meters and Ethiopia's Letesenbet Gidey in the women's 5,000 meters.
Thepchaiya Un-Nooh and Anthony McGill both received a bye to the second round. Enditem
The 33-year-old opened up about his September departure from the Camp Nou after scoring from the penalty spot to help Uruguay beat Chile 2-1 in their opening 2022 World Cup qualifier on Thursday.
"We are focused on developing a tool box of COVID countermeasures for every possible scenario," he said, adding that "encouraging development of rapid testing and vaccines give us good reason for cautious optimism."