Celtics star Jaylen Brown launched his streaming career on Saturday while joking about Jayson Tatum's new hairstyle.

The 57-year-old reportedly got into an altercation in a parking lot, according to Las Vegas police, with the alleged victim stabbed several times.

Quenton Marsellas Brown, who goes by his middle name Marcellas, said he dinged the victim’s car with his SUVs car door. An argument then took place and the victim was stabbed several times.