The Arsenal boss also made it clear that he wants Aaron Ramsey to sign a new contract with the club, and that he has conveyed that message to chief executive Ivan Gazidis, recruitment head Sven Mislintat and head of football relations Raul Sanllehi.
Emery was appointed at the start of the summer to replace Arsene Wenger, who called time on his 22-year spell as Arsenal boss at the end of a disappointing campaign. Former skipper Per Mertesacker retired after last season, while vice-captain Laurent Koscielny is out injured until at least December.
Arsenal have been busy in the transfer window, recruiting a goalkeeper, Bernd Leno, two experienced defenders, and two new midfielders including the Uruguayan who impressed at the World Cup, Lucas Torreira.
Speaking in English - which, while can be described as a work in progress, has still shown an excellent improvement from his unveiling at the Emirates in May, after intensive lessons this summer - spoke at length about his squad.
Meghan Markle Told Fan She Misses ‘Suits’
The "christening cake" is a tier from the their own wedding cake, which of course is more than seven years old at this point. To mark the milestone, aunt Pippa Middleton donned a baby blue custom-made dress by designer Alessandra Rich.
"Normally, in my career the big clubs don't close the door or the moment to sign a new player", he said.
"Normally we are thinking about the young player, the possibility to stay with us or go on loan to another team. We are also thinking about the players who were with us a year ago and whether we need them to stay with us". And then, I think my first idea is to have five captains in the team. We signed the players who we needed.
"I know him", said Emery, who worked with N'Zonzi at Sevilla.
"But the club has done a great job of signing new players and I am happy". We want to keep the respect for these players and to find the captain and choose very well the best player for that.
Is this what the US President really thinks of London?
London Mayor Sadiq Khan approved the blimp earlier this week, ahead of Trump's visit to the city. The US president will touch down at Stansted Airport on Thursday evening.
"I am very happy with him", he said.
New Arsenal manager Unai Emery has said that he plans to name five captains throughout his squad ahead of the 2018-19 season.
Emery's first competitive match in charge of the Gunners will see them face champions Manchester City on the opening weekend of the Premier League season.
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He noted that he had met with Trump the evening before and they discussed increasing the US troop presence in Poland. He also said that he has hope for what the allies can do to marginalize Putin, even if Trump refuses to.