Cuevo matched Guerreo's qualifying tally of three goals by scoring in the 4-1 win away to Paraguay on Thursday, a win which moved Peru within three points of one of the region's four qualifying spots.
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"Cueva, Guerrero, they are players that are... important," Tite told reporters on Monday.
Five-times world champions Brazil top the 10-team South American standings on 24 points from 11 games, 10 clear of Peru, after they beat arch rivals Argentina 3-0 at home on Thursday.
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They also beat Peru by the same scoreline last year but midfielder Fernandinho adopted a cautious tone, with Peru only losing once at home in five qualifying matches.
"Peru is at home with the players that it has. We respect them a lot and know the qualities that they have," he said.
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