The most controversial moment in NBA history, the infamous brawl between the Indiana Pacers, Detroit Pistons, and a good number of attending fans shattered the invisible barrier between crowd and athlete. It was sparked when Ron Artest was hit with a thrown beer cup, and retaliated in the worst way - leaping into the stands (and infamy) to find the culprit. He punched the wrong person and kickstarted a horrendous free-for-all.
