Arturo Vidal and Alexis Sanchez are doubtful for Chile's opening World Cup qualifying game against Brazil in Santiago on Thursday.
Both players were pivotal for La Roja in the Copa America triumph this summer but are struggling with injuries.
"Neither Vidal nor Alexis are confirmed for the Brazil game," Chile coach Jorge Sampaoli told newspaper La Tercera. "Neither player has been in full training since joining the squad this week."
Sanchez scored twice for Arsenal in Sunday's 3-0 Premier League...