Sunday's announcement that 12 'founding member' teams would be breaking away from current UEFA competitions shook European football to its core.
The move was met with widespread condemnation from fans, politicians and leading figures in football.
Here is a list of everything you need to know about an explosive 24 hours that may have changed the sport forever.
- 12 European football teams to form breakaway competition throwing elite game into turmoil
- What is the new European Super League and how will it work?
- Shock and outrage as world reacts to European Super League breakaway plans
- Football fan groups condemn 'ultimate betrayal' of European Super League
- José Mourinho sacked as Tottenham Hotspur manager