Jake Paul says either his or Gervonta "Tank" Davis' lights are going out on Nov. 14 ... guaranteeing their upcoming fight ends in a knockout.
El Gallo opened up on his new matchup in a YouTube video on Friday ... and while the bout is widely believed to be an exhibition, he made it clear it's not stopping anyone from going 100 percent.
"If I win, I just beat one of boxing's greatest and pulled off the impossible," Paul said.