A tearful Sergio 'Kun' Aguero during the press conference to announce his retirement from football at Camp Nou in Barcelona on December 15, 2021. Getty
Sergio Aguero after joining Atletico Madrid in June, 2006. AP
Sergio Aguero after scoring for Independiente reacts against River Plate in March, 2006. AP
Sergio Aguero scored 102 goals for Atletico between 2006 and 2011, including 74 in La Liga. PA
Atletico Madrid's Sergio Aguero celebrates after scoring against Barcelona in a La Liga match at the Vicente Calderon Stadium in March, 2009. AP
Sergio Aguero celebrates after Atletico Madrid's win over Fulham to win the 2010 Europa League final. EPA
Arentina legend Diego Maradona and Sergio Aguero speak during the 2008 Beijing Olympic Games. EPA
Argentina duo Lionel Messi and Sergio Aguero after beating Nigeria to win gold at the 2008 Beijing Olympics. AFP
Argentina manager Diego Maradona with Sergio Aguero during the 2010 World Cup quarter-final match against Germany at the Green Point Stadium in Cape Town. AP
Argentina's Sergio Aguero during the Fifa World Cup 2014 group game against Bosnia and Herzegovina in Rio de Janeiro in June, 2014. EPA
Argentina's Sergio Aguero celebrates after scoring against Qatar in the Copa America group match at the Gremio Arena in Porto Alegre, Brazi in June, 2019. AFP
Sergio Aguero signs autographs after completing his medical following his move to Manchester City in July, 2011. PA
Sergio Aguero ahead of his Manchester City debut where he scored two in the Premier League win over Swansea City in August, 2011. PA
Manchester City's Sergio Aguero and Phil Jones of Manchester United square-up during the Premier League derby at Old Trafford in April, 2013. PA
Sergio Aguero celebrates after scoring for Manchester City against Liverpool in the Premier League game at the Ethiad stadium in January, 2019. AP
Manchester City's Sergio Aguero celebrates scoring his side's fifth goal, completing his hat-trick, in a 6-0 Premier League win over Watford in December, 2017. PA
(FILE) - Manchester City's Sergio Aguero celebrates with the Premier League trophy after the English Premier League soccer match between Brighton and Hove Albion and Manchester City in Brighton, Britain, 12 May 2019 (re-issued on 15 December 2021). Argentinian striker Sergio 'Kun' Aguero announced his retirement during a press conference in Barcelona, Spain, on 15 December 2021. EPA/JAMES BOARDMAN EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or 'live' services. Online in-match use limited to 120 images, no video emulation. No use in betting, games or single club/league/player publications. *** Local Caption *** 55203430
City's Sergio Aguero during the Carabao Cup final win over Aston Villa in March 2020. EPA
A Sergio Aguero t-shirt for sale in January 2020. PA
Sergio Aguero celebrates scoring the winner against QPR at the Etihad Srtadium that sealed Manchester City the Premier League title in May 2012. PA
Manchester City's Sergio Aguero celebrates scoring against Villarreal in the Uefa Champions League match at the Etihad Stadium in October, 2011. PA
Sergio Aguero celebrates after scoring for Manchester City in the FA Cup game against Leeds United in February, 2013. PA
Manchester City manager Pep Guardiola kisses Sergio Aguero as the Argentine is substituted just after completing his hat-trick during the Premier League match at home to Huddersfield Town in August, 2019. Reuters
Manchester City players throw Sergio Aguero in the air to celebrate winning the Premier League title and his imminent exit from the club in May, 2021. AP
A Manchester City fan with a sign for Sergio Aguero in May 2021. PA
Sergio Aguero after being unveiled as a Barcelona player at Camp Nou in May, 2021. AFP
Barca's Sergio Aguero during the La Liga match between against Valencia at Camp Nou in October, 2021. AP
Barcelona's Sergio Aguero in the La Liga game against Real Madrid at Camp Nou in October, 2021. Reuters
Barcelona's Sergio Aguero shoots at goal against Alaves at Camp Nou - his final game as a professional footballer on October 30, 2021. Reuters
Barcelona's Sergio Aguero leaves the pitch after experiencing breathing porblems during the match against Alaves. Reuters
A tearful Sergio 'Kun' Aguero during the press conference to announce his retirement from football at Camp Nou in Barcelona on December 15, 2021. Getty
Sergio Aguero after joining Atletico Madrid in June, 2006. AP
Sergio Aguero after scoring for Independiente reacts against River Plate in March, 2006. AP
Sergio Aguero scored 102 goals for Atletico between 2006 and 2011, including 74 in La Liga. PA
Atletico Madrid's Sergio Aguero celebrates after scoring against Barcelona in a La Liga match at the Vicente Calderon Stadium in March, 2009. AP
Sergio Aguero celebrates after Atletico Madrid's win over Fulham to win the 2010 Europa League final. EPA
Arentina legend Diego Maradona and Sergio Aguero speak during the 2008 Beijing Olympic Games. EPA
Argentina duo Lionel Messi and Sergio Aguero after beating Nigeria to win gold at the 2008 Beijing Olympics. AFP
Argentina manager Diego Maradona with Sergio Aguero during the 2010 World Cup quarter-final match against Germany at the Green Point Stadium in Cape Town. AP
Argentina's Sergio Aguero during the Fifa World Cup 2014 group game against Bosnia and Herzegovina in Rio de Janeiro in June, 2014. EPA
Argentina's Sergio Aguero celebrates after scoring against Qatar in the Copa America group match at the Gremio Arena in Porto Alegre, Brazi in June, 2019. AFP
Sergio Aguero signs autographs after completing his medical following his move to Manchester City in July, 2011. PA
Sergio Aguero ahead of his Manchester City debut where he scored two in the Premier League win over Swansea City in August, 2011. PA
Manchester City's Sergio Aguero and Phil Jones of Manchester United square-up during the Premier League derby at Old Trafford in April, 2013. PA
Sergio Aguero celebrates after scoring for Manchester City against Liverpool in the Premier League game at the Ethiad stadium in January, 2019. AP
Manchester City's Sergio Aguero celebrates scoring his side's fifth goal, completing his hat-trick, in a 6-0 Premier League win over Watford in December, 2017. PA
(FILE) - Manchester City's Sergio Aguero celebrates with the Premier League trophy after the English Premier League soccer match between Brighton and Hove Albion and Manchester City in Brighton, Britain, 12 May 2019 (re-issued on 15 December 2021). Argentinian striker Sergio 'Kun' Aguero announced his retirement during a press conference in Barcelona, Spain, on 15 December 2021. EPA/JAMES BOARDMAN EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or 'live' services. Online in-match use limited to 120 images, no video emulation. No use in betting, games or single club/league/player publications. *** Local Caption *** 55203430
City's Sergio Aguero during the Carabao Cup final win over Aston Villa in March 2020. EPA
A Sergio Aguero t-shirt for sale in January 2020. PA
Sergio Aguero celebrates scoring the winner against QPR at the Etihad Srtadium that sealed Manchester City the Premier League title in May 2012. PA
Manchester City's Sergio Aguero celebrates scoring against Villarreal in the Uefa Champions League match at the Etihad Stadium in October, 2011. PA
Sergio Aguero celebrates after scoring for Manchester City in the FA Cup game against Leeds United in February, 2013. PA
Manchester City manager Pep Guardiola kisses Sergio Aguero as the Argentine is substituted just after completing his hat-trick during the Premier League match at home to Huddersfield Town in August, 2019. Reuters
Manchester City players throw Sergio Aguero in the air to celebrate winning the Premier League title and his imminent exit from the club in May, 2021. AP
A Manchester City fan with a sign for Sergio Aguero in May 2021. PA
Sergio Aguero after being unveiled as a Barcelona player at Camp Nou in May, 2021. AFP
Barca's Sergio Aguero during the La Liga match between against Valencia at Camp Nou in October, 2021. AP
Barcelona's Sergio Aguero in the La Liga game against Real Madrid at Camp Nou in October, 2021. Reuters
Barcelona's Sergio Aguero shoots at goal against Alaves at Camp Nou - his final game as a professional footballer on October 30, 2021. Reuters
Barcelona's Sergio Aguero leaves the pitch after experiencing breathing porblems during the match against Alaves. Reuters
A tearful Sergio 'Kun' Aguero during the press conference to announce his retirement from football at Camp Nou in Barcelona on December 15, 2021. Getty
