Brazil sent a message against racism by swapping its bright yellow shirts for an all-black look during a friendly against Guinea in Barcelona on Saturday. Another alleged racist incident occurred on Saturday before the friendly. The abuse reportedly happened to a friend and adviser of Vinicius, Felipe Silveira, at the stadium, the Brazilian Football Confederation said. Vinicius Jr and Brazil Teammates Wear Black Jerseys During International Friendly Against Guinea in Powerful Stand Against Racism (See Pics).