Argentina and Brazil will face each other on Friday as Lionel Messi returns, and Thiago Silva is excited to duel Barcelona's talisman.
Shakhtar Donetsk's Taison was racially abused by Dynamo Kiev fans on Sunday. His former team-mate Willian is demanding action.
Argentina defender Marcos Rojo and midfielder Roberto Pereyra have withdrawn from Lionel Scaloni's squad.
David Neres has featured regularly for Ajax this term but is out until 2020 in what boss Erik ten Hag described as a "major blow".
Lionel Messi has not featured for Argentina since the Copa America due to suspension but is back in their squad for November's friendlies.
Rodrygo Goes made his first start for Real Madrid in midweek and has been included in Brazil's 23-man squad for their upcoming friendlies.
Paris Saint-Germain expect to be without Neymar for four weeks because of a hamstring problem.
Neymar was withdrawn with a knock during Brazil's friendly against Nigeria, but Tite insists he was not a pre-match worry.
Drawing with Nigeria is an "insufficient" result for Brazil but head coach Tite took heart from a stronger showing after half-time.
Paris Saint-Germain star Neymar was substituted in the 12th minute of Brazil's clash with Nigeria due to a suspected hamstring issue.