Floyd Mayweather’s daughter Iyanna “Yaya” Mayweather has been arrested after allegedly stabbing NBA Youngboy’s side piece. NBA Youngboy was spending time with his side piece when Yaya Mayweather caught the two together. After being caught NBA Youngboy told his security to get Yaya out the home and that’s when Yaya snuck to the back door and assaulted the woman. Yaya was getting beat up by the girl and in turn grabbed a knife and stabbed the victim. The victim has said to still be in critical conditon. Yaya is being charged with aggravated assault with a deadly weapon. If the girl doesn’t get better she can find herself in a lot more trouble. Yaya has since posted her $30,000 bond and is out jail at the time. Check out the gruesome crime scene video below! Swipe right to see video!