Brazilian legend Kaka visited Manchester United's training ground on Monday after taking in their win over Arsenal at Old Trafford.
The former AC Milan and Real Madrid midfielder was at Carrington as part of his studies towards the UEFA Masters for International Players qualification.
Kaka, who was accompanied by his former international team-mate Julio Cesar, posed for Instagram pictures with Cristiano Ronaldo, Antony and Arsenal's Brazilian contingent after United's 3-1 win.
The course is designed to give former players the skills to make the transition to another career within football.
It entails seven week-long sessions held in major European cities and one final session held outside of Europe.
Each session looks at a different aspect of football administration and governance and students not already connected to a club can be requested to fulfil a three-month work placement role.
Kaka and Cesar were both selected to be part of that and seized their opportunity to study at United.
It was a good opportunity for them to catch up with Ronaldo, as well as Brazilians Fred and Casemiro at United plus Arsenal's Gabriel Jesus, Gabriel Magalhaes and Marquinhos.
Other graduates of the UEFA course include Kolo Toure, Gaizka Mendieta and Luis Garcia.
Kaka and Cesar witnessed Antony, signed for £85million from Ajax in the final days of the summer transfer window, score on his United debut.
Two goals from Marcus Rashford secured a fourth straight win for Erik ten Hag's side after Bukayo Saka had drawn Arsenal level.
Kaka scored twice for Milan at Old Trafford in the 2007 Champions League semi-final, first leg and the Italian club would go on to beat Liverpool in the final.
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Kaka said Messi is a genius! and that cristiano has a strong mentality! and Anthony said Messi is the best ever! But what is the difference between a genius and a strong mentality ? A genius is someone who is different, special, unique, above others and ahead of all. Cristiano strong mentality is seen in his obsession for goals. He care more about scoring goals no matter how the goals come he doesn't care. Cristiano doesn't care if he loses a match as long as he scores. Cristiano and his fans sees it as a defeat whenever cristiano doesn't score in any match and his team wins, they only have strong mentality for goals and not for winning! But with all cristiano strong Mentality, he has 33 trophies while Messi has 41 trophies. With all cristiano's obsessions and goal mentality he has 4 golden shoes while Messi has 6 golden shoes. A genius is above the level of all, Messi is a genius ,he is on his own level, and no one come close to the level of Messi. No doubt, Cristiano is good but Pele and Maradona are better while Messi is the best ever because he is a genius!