Manchester United are relying on a favour from rivals Manchester City to avoid a summer of chaos.
Ole Gunnar Solskjaer's side finished sixth in the Premier League and face a Europa League qualifier on July 25 unless City beat Watford in the FA Cup final on Saturday.
- When is the FA Cup final?
- When are the Premier League fixtures released?
- Champions League draw pot possibilities for Prem clubs
The early start to the season would play havoc with a preseason schedule that is already in place, including friendlies in Australia, Singapore, China and Cardiff.