It was the first time since 1987 that Brazil has failed to progress beyond the group stage of the world's oldest continental tournament .

It is the latest in a series of fiascos for Dunga since his appointment in 2014. According to reports, the 52-year-old was likely to remain in charge of Brazil's Olympic football team for the Rio 2016 Games in August.

Dunga, Brazil's 1994 World Cup-winning captain, had already been told results needed to improve immediately in a meeting with the CBF's top brass in April. Brazil are currently sixth in the South American zone qualifying standings for the 2018 World Cup.

Only the top four sides are guaranteed a berth for the tournament in Russia while the fifth-ranked team will earn a play-off spot.

Since taking charge of Brazil for the second time after the team's 1-7 World Cup semi-final defeat to Germany in July 2014, Dunga has led them to 12 wins, five draws and three defeats.

During his first spell in charge - from 2006 to 2010 - his record was 37 wins, 11 draws and six defeats. The favorite to replace Dunga, should he be sacked, is 55-year-old Corinthians coach Tite, who guided the Sao Paulo club to last year's Brazilian Serie A title.

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