Prior to the Knicks-Nuggets brawl at the Madison Square Garden in 2006, at which venue did the most heavily penalized on-court fight occur? 
Knicks–Nuggets brawl: The Knicks–Nuggets brawl was an on-court altercation at a National Basketball Association (NBA) game between the New York Knicks and Denver Nuggets at Madison Square Garden in New York City on December 16, 2006. Knicks–Nuggets brawl:  This altercation was the most penalized on-court fight in the NBA since the Pacers–Pistons brawl two years before. Pacers–Pistons brawl: The Pacers–Pistons brawl (colloquially known as the Malice at the Palace or Basketbrawl) was an altercation that occurred in a National Basketball Association (NBA) game between the Indiana Pacers and the Detroit Pistons on November 19, 2004, at The Palace of Auburn Hills in Auburn Hills, Michigan.
The Palace of Auburn Hills