Brazil lost to Peru on Tuesday, dealt their first defeat in over a year, but Fagner hoped to use the experience as a positive.
After scoring his first international hat-trick, Lautaro Martinez revelled in his display for Argentina against Mexico.
Luis Abram's 85th-minute header saw Peru past Brazil, while condemning the Selecao to their first defeat since the 2018 World Cup.
Argentina thrashed Mexico 4-0 thanks to a stellar performance from forward Lautaro Martinez.
The United States came from behind to earn a draw against Uruguay in a friendly.
Republic of Ireland coach Mick McCarthy still plans to hand over to Under-21 boss Stephen Kenny after the Euro 2020 finals.
Neymar was a topic of conversation once again as Brazil prepare to face Peru in a rematch of the Copa America final.
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.