Jaylen Brown’s Father Quenton Brown Accused of Brutal Parking Lot Stabbing

The case involving Quenton Brown, father of Boston Celtics star Jaylen Brown, just took a shocking turn as new arrest report details paint a violent picture of the alleged parking lot altercation.

According to police documents, the incident began when Brown allegedly dinged a vehicle with the door of a Lincoln Navigator. The car’s driver, coach Cross Tupuola, got out to inspect the damage. Witnesses say Brown dismissed the situation, called him a “b*tch ass,” and began walking away.

Things quickly escalated. The victim’s girlfriend told police the men agreed to fight, but as Tupuola turned his back, Brown allegedly pulled an object and stabbed him multiple times in the back and abdomen.

Tupuola, who is 5’9” and 160 pounds, suffered catastrophic injuries — including stab wounds near his chest, a defensive wound that damaged tendons, a partial gastrectomy to remove part of his digestive system, eviscerated bowels, and a broken rib. He remains in critical condition in the ICU.

Brown, who is 7’0” and 300 pounds, was later arrested with a broken toe, abrasions, and facial injuries. He reportedly told officers the fight started “over a door ding.” Witnesses at the scene claim they saw Tupuola’s “insides hanging out” and said Brown was the aggressor, not acting in self-defense.

The weapon has not been recovered. Blood-stained cars at the scene corroborated the brutal nature of the attack.

Court records show Brown’s attorney maintains the stabbing was self-defense, alleging the victim was armed with a g*n. However, authorities have not confirmed if a firearm was ever recovered.

Brown’s bail remains set at $300,000. Sources say Jaylen Brown was unaware of the incident and is not close with his father, despite Quenton once publicly praising his son’s NBA success.

The Celtics star continues his celebrated career while his father faces the fight of his life — this time in court.