The UEFA Champions League final will mark the end of the striker's City career; look back on his achievements.
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Sergio Agüero, Manchester City's all-time top scorer, is leaving the club after the UEFA Champions League final. UEFA.com gives 'Kun' his due.
What they say
"When I arrived at Independiente, they told me there was a phenomenon in the academy. One day I called him in to train with the first team and he killed everyone. He convinced us immediately."
Oscar Ruggeri, former Independiente coach
"Playing with him was one reason I joined Atlético de Madrid. I'd first seen him on television in Argentina, where he made his debut aged 15 for my old team Independiente. A boy stood out against men. He scored one goal in a derby and I jumped up off the sofa in astonishment."
Diego Forlán, former Atlético team-mate
"He's a legend, and part of history in the club. Agüero's numbers speak for themselves – he is amazing."
Josep Guardiola, Manchester City manager
"Thank you for all the good times you brought to our club you absolute LEGEND good luck in the future."
Liam Gallagher, ex-Oasis singer
International: 97 appearances, 41 goals
UEFA club competition: 106 appearances, 63 goals
European domestic competition: 514 appearances, 296 goals
Claims to fame
Atlético de Madrid
• Agüero had a splendid record in home games against Barcelona, scoring twice in a 4-2 victory in March 2008 and a double in a 4-3 thriller exactly 12 months later.
• He won the 2009/10 UEFA Europa League, registering two crucial away goals that sent Atlético through to the quarter-finals at Sporting CP's expense.
• Agüero totalled 74 Liga goals across five seasons with Atlético, reaching the 20-mark in 2010/11.
• "Agüerooooooooo! I swear you'll never see anything like this ever again!" commentator Martin Tyler famously yelled when, with 93:20 on the clock, City's No10 scored the goal against Queens Park Rangers in May 2012 that won the Citizens their first top-flight championship since 1968.
• Both of Agüero's UEFA Champions League hat-tricks, group stage to final, have come in a City shirt. His side were 2-1 down at home to Bayern München in November 2014 when the Argentinian international struck twice in the final five minutes to complete his treble and give City a shot at qualification away to Roma on Matchday 6.
• Agüero picked up the Premier League Golden Boot for his 26 goals during 2014/15.
• Became the fifth player to score five in a single Premier League game on Saturday 3 October 2015. With the Sky Blues trailing at home to Newcastle United, City's main man struck five times in 21 minutes either side of half-time as his side turned a 1-0 deficit into a 6-1 win.
• Became the 16th player to reach 50 UEFA club competition goals when he scored for City in their opening UEFA Champions League group stage game of 2017/18 – a 4-0 win at Feyenoord.
• The second goal in his hat-trick in the subsequent league game, a 6-0 success at Watford, was his 200th top-division strike since he came to Europe.
• Scored his 178th City goal against Napoli on 1 November 2017 to break Eric Brook's 78-year-old club record.
• Hit 21 Premier League goals in 2017/18 and 2018/19 as City claimed back-to-back titles, and completed collection of English domestic trophies by lifting FA Cup in 2018/19.
• Moved ahead of Thierry Henry (175) and Frank Lampard (177) in the list of the Premier League all-time leading scorers in 2020. He signed off for City with 184, behind only Andy Cole (187), Wayne Rooney (208) and Alan Shearer (260) – though he leads them all as the record holder for Premier League goals with one club.
What you might not know
• Agüero was given the nickname 'Kun', which he sports on the back of his Manchester City shirt, as a child by his grandparents owing to his resemblance to a Japanese cartoon character called Kum Kum from his favourite TV series.
• Agüero became the youngest debutant in the Argentinian first division when he was sent on as a substitute for Independiente against San Lorenzo on 5 July 2003, just a month after his 15th birthday.
• Agüero was a FIFA U-20 World Cup winner in 2005 and 2007. He was awarded the Golden Ball and Golden Boot at the latter tournament in Canada after scoring six goals in seven appearances.
• There is an odd parallel between Agüero's first games for Independiente and City. He remembered: "When I debuted here at Manchester City, I had the No16 shirt and I came on for Nigel De Jong, who was No34. When I debuted at Independiente, I had the No34, and I came on for the guy who had the No16."
• Only Lionel Messi (71) and Gabriel Batistuta (54) have scored more goals for Argentina than Agüero (41)
• Agüero is not a fan of hot weather and likes the rain in Manchester as it helps him get to sleep.
• Messi wrote the foreword to 'Sergio Kun Aguero: Born to Rise: My Story', which was published in 2014. He was Messi's room-mate with the national team.
• Liverpool were Agüero's choice of team on video games when he was a kid.
What he says
• "My nickname is different in comparison to most athletes and so I have grown to appreciate it because it's unique. It's not every day an athlete is nicknamed after a cartoon character!"
"I like tricks, I like to dazzle. Dribbling and leaving your opponent on his backside is what life is for. If I achieve what I want to, then I'll mark a distinct era in football. I'm the Che Guevara of modern soccer."
"[The last day of the 2011/12 season] was a crazy situation because we knew the scenario required to win the title, but I felt I'd die if we didn't win or that I'd kill myself if we blew our title chance! OK, maybe that's a little dramatic, but it felt like there would be nothing to look forward to if we failed."