Logan Paul and Nina Agdal's gender reveal got downright violent Saturday ... 'cause the pair announced their child's sex via an intense wrestling bout -- with twists and turns galore.
The expecting parents decided to learn the news in a knockdown drag-out fight ... bringing on a couple of wrestlers -- one who wore pink trunks and another in blue, marking the two sexes of their child.
WHICH GENDER WILL WIN?
Check out the video .