Chelsea's Hakim Ziyech scores their first goal during the match Pre Season Friendly beteween Chelsea vs Tottenham Hotspur at Stamford Bridge, London, Britain, August 4, 2021. Chelsea and Tottenham can both take encouragement from an entertaining 2-2 draw at Stamford Bridge. Action Images via Reuters/Peter Cziborra

Chelsea's Hakim Ziyech celebrates scoring their second goal with Timo Werner during the match Pre Season Friendly beteween Chelsea vs Tottenham Hotspur at Stamford Bridge, London, Britain, August 4, 2021. Action Images via Reuters/Peter Cziborra

Tottenham Hotspur's Dele Alli in action with Chelsea's N'Golo Kante during the match Pre Season Friendly beteween Chelsea vs Tottenham Hotspur at Stamford Bridge, London, Britain, August 4, 2021. Action Images via Reuters/Peter Cziborra

Chelsea's Timo Werner in action with Tottenham Hotspur's Japhet Tanganga during the match Pre Season Friendly beteween Chelsea vs Tottenham Hotspur at Stamford Bridge, London, Britain, August 4, 2021. Action Images via Reuters/Peter Cziborra

Chelsea's Hakim Ziyech in action with Tottenham Hotspur's Pierre-Emile Hojbjerg during the match Pre Season Friendly beteween Chelsea vs Tottenham Hotspur at Stamford Bridge, London, Britain, August 4, 2021. Action Images via Reuters/Peter Cziborra

Tottenham Hotspur's Steven Bergwijn celebrates scoring their second goal with Lucas Moura and teammates during the match Pre Season Friendly beteween Chelsea vs Tottenham Hotspur at Stamford Bridge, London, Britain, August 4, 2021. Action Images via Reuters/Peter Cziborra