That would make the final fight a UI tag-team (or fusion) between Goku and Vegeta to take down Jiren, and secure the win for Universe 7. Again, this is all up in the air, so the details could be ...

Goku's final words to Frieza at the end of their battle ... A furious Goku rushes towards Jiren, who tries to hurt his friends to prove a point. Goku's fight against Jiren makes for one of the ...

and vows that he’ll beat Jiren in his own way. Challenging him not to dodge, Vegeta launches his Final Flash at Jiren. It’s a direct hit, but unfortunately, Jiren still stands unharmed.