A thrown cup of Diet Coke ignited the most infamous brawl in NBA history, sending players charging into the stands to fight fans.
On November 19, 2004, with 45.9 seconds left in a game between the Indiana Pacers and Detroit Pistons, Pacers forward Ron Artest hard-fouled Pistons center Ben Wallace on a layup attempt. Wallace shoved Artest in the face, sparking an on-court scuffle that coaches and players initially managed to separate.
While referees discussed penalties, Artest lay down on the scorer's table. A Pistons fan named John Green then hurled a plastic cup of Diet Coke from the stands, hitting Artest in the chest — and igniting total chaos.
Artest charged into the stands and grabbed the wrong fan, Michael Ryan, while teammate Stephen Jackson followed and punched another spectator in the face. The violence spread as more fans threw drinks, food, and even a steel folding chair at the players.
Jermaine O'Neal delivered a running punch to fan Charlie Haddad's jaw on the court, slipping in spilled liquid mid-swing. Witnesses — including ESPN's Jim Gray and a Pistons executive — briefly feared O'Neal might kill the man.
Pacers radio broadcaster Mark Boyle tried to physically hold Artest back and was trampled, suffering five fractured vertebrae and a gouge on his head. Artest later apologized, saying he hadn't realized he'd run over him.
NBA Commissioner David Stern, watching on television, reacted by saying 'Holy shit.' Pacers assistant coach Chuck Person compared the scene to being 'trapped in a gladiator-type scene where the fans were the lions.'
The NBA suspended nine players for a combined 146 games, costing them over $11 million in salary. Artest received the longest suspension for an on-court incident in NBA history — 86 games, the remainder of the entire season including playoffs.
Five players were charged with assault and eventually sentenced to probation and community service. Five fans also faced criminal charges, with John Green — who had prior convictions for felony assault and counterfeiting — identified as the cup thrower by a prosecutor who happened to be his neighbor.
The brawl permanently changed NBA policy. The league increased security barriers between players and fans, imposed stricter limits on alcohol sales at games, and banned the involved fans from Pistons home games for life.