Nigeria, July 7 -- Cristiano Ronaldo has officially brought the curtain down on his illustrious FIFA World Cup career, confirming that Portugal's Round of 16 defeat to Spain in Dallas marked his final appearance on football's biggest stage.

The legendary forward made the announcement shortly after Portugal's elimination, saying he leaves the tournament with no regrets, having given everything for his country.

Speaking to SportTV after the match, the 41-year-old admitted he was saddened by the manner of Portugal's exit but remained at peace with his contribution.

"I'm fine, sad to leave the World Cup this way. But as I said yesterday at the press conference, I gave my best, and I leave with a clear conscience.

"That's the life of a foo...