That is now possible (sort of!) thanks to Football Manager 2024 and its clauses section, where fans can see how deals are structured, although it must be stressed that some may not be fully accurate.
Football fans can delve into unrivalled depth and detail in FM 2024 as you take charge at your club. Join the elite by writing your own headlines, earning the love of the fans and dominating the competition. It's not just about picking tactics or crafting a team.
Here, we take a look at the interesting payment plans, buy-back deals and sell-on clauses inserted into the transfer deals and contracts of these current and former Sunderland players (note: doesn’t include the latest transfer window as the game has not yet been updated yet).
13. Jay Matete
20% of Sunderland midfielder Jay Matete next transfer fee will be owed to former club Fleetwood Town, according to the popular simulation game Football Manager 2024. Photo: FRANK REID
14. Luis Hemir Semedo
10% of Hemir's next transfer fee will be owed to Benfica, according to Football Manager 2024. The Portugal club will also be owed £215k if Sunderland win promotion to the Premier League before June 2028. Photo: Frank Reid
15. Jordan Pickford
Everton will have to pay Sunderland another £1m for Jordan Pickford if they ever reach the group stages of the Champions League according to Football Manager 2024 Photo: Jan Kruger
16. Patrick Roberts
15% of Sunderland attacker Patrick Roberts' next transfer fee will be owed to former club Manchester City, according to the popular simulation game Football Manager 2024. City will also be owed £1m if Sunderland gain promotion from the Championship Photo: George Wood