The 2021 UEFA Champions League kicks off today with Manchester United taking on the Young Boys.
United play the Swiss team in Bern, Switzerland, meanwhile Chelsea will welcome Zenit to London.
On Wednesday Liverpool play AC Milan at Anfield and Manchester City play are at home against RB Leipzig
Of the 32 qualifying teams four are English clubs - Manchester United, Manchester City, Liverpool, and Chelsea.
Last year's Champions League final saw two Premier League teams going head to head.
Chelsea beat Manchester City 1-0 to take the title - but can they keep hold of the cup for another year?
We want to know which English team you think will win this year's Champions League, and don't forget to tell us why in the comments section!