Jonathan Abrams of Grantland.com put together a compelling oral history the 2004 brawl between the Indiana Paces, the Detroit Pistons, and Pistons fans. I can still vividly remember this fight; it was horrifying. It will go down as the most disappointing event in NBA history. The article is long but a fascinating read. If you don't remember the fight, you can watch the video below.
Jonathan Abrams - "The Malice at The Palace"