A star-studded Argentina side badly missing the inspiration of injured captain Lionel Messi struggled to find a way through a disciplined Ecuador in a lackustre game at the Estadio Monumental yesterday.

The tone for a miserable night for Argentina had been set early on, when Manchester City striker Sergio Aguero was stretchered off the field with what looked like a serious hamstring injury.

The game appeared to be heading for a 0-0 draw entering the final 10 minutes before Ecuador secured a breakthrough from a Frickson Erazo header that fired the minnows into a 1-0 lead. Moments later Antonio Valencia burst down the right flank and fed for Felipe Caicedo, who slotted home past Manchester United goalkeeper Sergio Romero for 2-0.

The defeat piles the pressure on Argentina coach Gerardo Martino, whose position was already the subject of scrutiny following his team's failure to win the Copa America earlier this year.

Brazil meanwhile - also missing their talismanic presence with captain Neymar serving a suspension - were undone by goals from Chile stars Eduardo Vargas and Alexis Sanchez in Santiago. Vargas, topscorer in Chile's triumphant Copa America campaign, picked up where he left off in that tournament to fire the hosts into the lead on 72 minutes.

Arsenal star Sanchez then applied the coup de grace in the 90th minute, jabbing home from close range after a wonderful flowing move which ripped Brazil's defence apart. Chile manager Jorge Sampaoli hailed his side's victory, the first by Chile over Brazil since 2000.

"I'm very happy because I have never beaten Brazil, and to beat a team that has caused us so many problems in the past means a lot," Sampaoli said.

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