Dennis Rodman admitted he felt like an NBA guinea pig after headbutting referee Ted Bernhardt during a 1995-96 game against the New Jersey Nets.

What happened?

Rodman received a technical foul within the first minutes of the game after aggressively pounding the ball. Moments later, with 1:07 left in the quarter, he drew a personal foul and argued with referee Paul Mihalak. During the exchange, Rodman put his hands inside his shorts, which Bernhardt spotted and called a second technical. When Bernhardt approached, Rodman headbutted him before teammate Luc Longley pulled him away.

Why it matters for Dennis Rodman

The NBA suspended Rodman for six games and fined him $20,000. Rod Thorn, then-NBA senior vice president, said physical assaults on referees would not be tolerated. Rodman ripped off his jersey in protest, knocked down a water cooler, and refused to accept the punishment. He told reporters, "Since it was me, I get picked on. Every damn game, I'm the guinea pig."

The Bulls' response

The Bulls lost Rodman for six games during their record-setting 72-10 season. Chicago won five of those six games, including a 97-93 road win over New Jersey. The team finished the regular season with the best record in NBA history at the time and claimed their first championship of the second three-peat.

What comes next?

Rodman’s suspension and fine became part of his legacy as the league’s most unpredictable enforcer. His refusal to back down reinforced his reputation as a player who played by his own rules, even at the cost of his own team’s short-term success.