Arturo Vidal felt Alexis Sanchez needed his goal for Chile against Japan after a "difficult" season with Manchester United.
Sanchez scored his first goal since January as the two-time defending Copa America champions beat Japan 4-0 in Sao Paulo on Monday.
The Manchester United attacker headed in a cross from Charles Aranguiz in the 82nd minute before setting up Eduardo Vargas a minute later.
Vargas provided a brace for the two-time defending Copa America champions, making him Chile's all-time leading scorer in the competition and the active player with the most career Copa America goals.