Iran coach Carlos Queiroz already has plenty of World Cup experience, and the country's national football team will be hoping to make the most of it in Brazil.
The former Real Madrid coach was in charge of his native Portugal in 2010, helping the team reach the round of 16. But things will likely be tougher this time with Iran in Group F alongside Argentina, Bosnia and Nigeria.
"This is our 'Mission Impossible' once, twice and three times," the 61-year-old Queiroz said. "But that is what makes the tournament attractive."
With spells in England, Spain, the United States, Japan, South Africa and the Middle East, Queiroz has the kind of resume that makes it clear he's not daunted by a challenge.
After an unsuccessful 10 months at Real Madrid in 2003-04, Queiroz returned to his former assistant job at Manchester United. During his second spell, he was credited with helping transform United into a more tactically sophisticated team that won the 2008 Champions League title.
"He'd train us, prepare us for games, organize the team and decide the things we needed to work on," Manchester United midfielder Ryan Giggs wrote of Queiroz in his autobiography. "Some said he had too much influence, but I don't agree. He impressed me from the start."
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