[He does have something to say during the opening cutscene of the game, which features him being thrown through a solid rock wall by Buu. He points to it.]

That never happened.

[But anyway]

Who do you think you should pick? Look, there's Kakarot, Gohan, and the rest of them, but if you want to win, you should choose me. [He points to the selection of him in his super saiyan form.]