A member of Carlos Queiroz's staff was shown a red card during a heated 0-0 draw between Colombia and Chile in Alicante.
Brian Rodriguez's winner helped Uruguay exact some revenge on Peru, who had knocked them out of the Copa America earlier this year.
Brazil are without a win in three matches after drawing 1-1 with Senegal and head coach Tite accepted the criticism aimed his way.
Brazil are winless in three matches after a draw against Senegal and Thiago Silva wants more clinical finishing to get them out of a rut.
Neymar was unable to mark his 100th Brazil appearance with a goal against Senegal, who earned a creditable draw.
Argentina battled back to get a 2-2 draw against Germany on Wednesday, impressing head coach Lionel Scaloni with their collective attitude.
Serge Gnabry's superb form continued in Germany's 2-2 draw against Argentina but Joachim Low explained why he was substituted.
Goals from Serge Gnabry and Kai Havertz put Germany on course for victory but Lucas Alario and Lucas Ocampos struck back.
Neymar was strongly linked with a move away from Paris Saint-Germain before the start of this season but now insists he is happy in France.
Lautaro Martinez and Paulo Dybala will have the chance to impress Argentina coach Lionel Scaloni in Wednesday's friendly with Germany.