'The most difficult day of my life' Manchester United star reveals World Cup torment

Brazil star Matheus Cunha reacted after their World Cup last-16 exit

Matheus Cunha has spoken in emotional detail about Brazil's World Cup exit.

Brazil suffered another early World Cup knockout departure as they bowed out to Norway in Sunday's round-of-16 tie that marked something of an end of an era.

Neymar scored a consolation goal for Carlo Ancelotti's side deep in added time as the world's most expensive footballer confirmed his international retirement.

It marked a difficult end for the Selecao at this summer's tournament as they entered a 12th year without successfully reclaiming their five-time world champions' crown.

Manchester United forward Matheus Cunha was one of the rare lights for his country with three goals in as many games before the surprise defeat at MetLife Stadium.

He netted twice against Haiti in their second group encounter before following it up with another to cap off a resounding 3-0 victory over Scotland in the finale.

But the 27-year-old could not hide his pain in the wake of their tournament exit.

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"Without a doubt, today must be the most difficult day of my life, professionally speaking," he told Globo.

"We had chances we didn't convert, while they had chances and converted them. "It's difficult to try to understand everything but, unfortunately, that's part of football.

"There is a lot of sadness in the dressing room. A lot of crying. A lot of pain. The worst thing is that we frustrated a lot of people and that is what hurts most."