Found a possible fix from this website:
https://forums.operationsports.com/foru ... litch.htmlSo the problem is if you do a short finals series (if it goes three games or less), the finals MVP is awarded to the starting point guard, regardless of whether he won it during the trophy celebration or not.
Solution: So it seems that you can avoid this by simply doing best of 7 in the finals. It's as if the game doesn't calculate this properly with a shorter than normal series (3 games or less).
(All credits goes to user: KPH2293)