MIDDLESBROUGH, UNITED KINGDOM - MAY 11: Nery Castillo of Manchester City is tackled by George Boateng of Middlesbrough during the Barclays Premier League Match between Middlesbrough and Manchester City at Riverside Stadium on May 11, 2008 in Middlesbrough, England. (Photo by Warren Little/Getty Images)

Manchester City manager Pep Guardiola appears dejected, Image: 490182018, License: Rights-managed, Restrictions: EDITORIAL USE ONLY No use with unauthorised 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, Model Release: no, Credit line: Nick Potts / PA Images / Profimedia

Manchester City's Spanish midfielder David Silva (L) replaces Manchester City's English midfielder Phil Foden during the English Premier League football match between Manchester City and Everton at the Etihad Stadium in Manchester, north west England, on January 1, 2020., Image: 490539637, License: Rights-managed, Restrictions: RESTRICTED TO EDITORIAL USE. No use with unauthorized audio, video, data, fixture lists, club/league logos or 'live' services. Online in-match use limited to 120 images. An additional 40 images may be used in extra time. No video emulation. Social media in-match use limited to 120 images. An additional 40 images may be used in extra time. No use in betting publications, games or single club/league/player publications., Model Release: no, Credit line: Paul ELLIS / AFP / Profimedia

Sergio Aguero of Manchester City celebrate scoring the 5th goal Aston Villa v Manchester City, Premier League, Football, Villa Park, Birmingham, UK - 12 Jan 2020, Image: 492341583, License: Rights-managed, Restrictions: EDITORIAL USE ONLY No use with unauthorised 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., Model Release: no, Credit line: Paul Currie/BPI / Shutterstock Editorial / Profimedia

Gabriel Jesus of Manchester City celebrates scoring his sides first goal with team-mate Bernardo Silva of Manchester City Dinamo Zagreb v Manchester City, UEFA Champions League, Group C, Football, Stadion Maksimir, Croatia - 11 Dec 2019, Image: 487577479, License: Rights-managed, Restrictions: Editorial Use Only, Model Release: no, Credit line: Michael Zemanek/BPI / Shutterstock Editorial / Profimedia