Chile coach Reinaldo Rueda believes Alexis Sanchez could be out for a prolonged period after suffering an ankle injury against Colombia.
Chile have confirmed Inter forward Alexis Sanchez, on loan from Manchester United, damaged his left ankle in a game against Colombia.
A member of Carlos Queiroz's staff was shown a red card during a heated 0-0 draw between Colombia and Chile in Alicante.
Vinicius Junior had been in line for a Brazil debut against Colombia, but Tite decided taking Neymar off would have been counterproductive.
Neymar scored and provided an assist in Brazil's draw with Colombia, and coach Tite hailed his "real relationship" with the forward.
Neymar notched a goal and an assist in his first match since June, much to the delight of Brazil team-mate Dani Alves.
Making his first appearance of the season, Neymar scored and set up Casemiro's opener in Miami on Friday.
James Rodriguez's muscle injury has prevented him from being called up by Colombia for next month's friendly double header.
Alexis Sanchez is "not at his best level" but Chile are cherishing the Manchester United man's performances at the Copa America in Brazil.
Alexis Sanchez converted the decisive penalty as Chile edged Colombia in a shoot-out in the Copa America quarter-finals.