You can have real relegations and promotions if you edit them yourself in game.
When you create a career you can edit the leagues.
https://imgur.com/Y6jXadu
At this point, press Y to edit the divisions
https://imgur.com/fllI6Ut
Here are the teams for all divisions of the 5 biggest leagues (England, Spain, Germany, Italy, France)
Place these teams in the divisions concerned
England.
League One with EFL Championship
Change Swansea to Wolverhampton
Change Stoke city to Cardiff City
Change West Bromwich to Fulham
EFL Championship with League One
Change Barnsley to Wigan
Change Burton Albion to Blackburn Rovers
Change Sunderland to Rotherham Utd
League One with League Two
Change Okdham to Accrington
Change Northampton to Luton Town
Change Milton Keynes to Wycombe Wanderers
Change Bury FC to Coventry City
Spain.
Liga Santander with Segunda Division
Change Deportivo La Coruna to Rayo Vallecano
Change Las Palmas to Huesca
Change Malaga to Valladoid
Germany.
Bundesliga with 2.Bundesliga
Change Cologne to Nuremberg
Change Hamburg to Fortuna Dusseldorf
2.Bundesliga with 3.Liga
Change Eint.Brunswick to FC Magdeb
Change Kaiserslautern to SC Paderborn
Italy
Serie A with Serie B
Change Crotone to Empoli
Change Hellas Verona to Parma
Change Benevento to Frosinone
French
Ligue 1 with Ligue 2
Change Metz to Reims
Change Troyes to Nimes
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