Juventus and Atletico Madrid will begin their UEFA Champions League campaigns when they go head-to-head at the Wanda Metropolitano on Wednesday.
Liverpool will begin the defence of their UEFA Champions League crown on Tuesday, when they take on Napoli in their first Group E clash at San Paolo.
Liverpool became European champions for the sixth time as they eased to a 2-0 victory over Tottenham Hotspur at the Wanda Metropolitano on Saturday.
Tottenham and Liverpool will lock horns on Saturday night in an all-English UEFA Champions League final at the Wanda Metropolitano Stadium.
Tottenham completed a dramatic comeback to beat Ajax on the away goals rule, with Lucas Moura scoring in the final minute to book their place in the UEFA Champions League final.
A place in the UEFA Champions League final will be up for grabs when Ajax welcome Tottenham Hotspur to the Johan Cruijff ArenA in the semi-final second leg.
Barcelona and Liverpool will hope to take a step closer to the next month's UEFA Champions League final when they meet at Camp Nou on Wednesday.
Manchester City will be looking to overturn a narrow deficit when they host Tottenham for the second leg of the UEFA Champions League quarter-final on Wednesday.
A spot in the Last Four stage of the UEFA Champions League will be decided when Barcelona host Manchester United at Camp Nou in the quarter-final second leg.
One of the most intriguing clashes of this year's UEFA Champions League will be on show on Wednesday, when Ajax host Juventus in the quarter-final first leg.