Billy Coutu holds the distinction of being the only NHL player ever banned for life. In 1927, after Game 4 of the Stanley Cup Finals, Coutu assaulted referee Jerry LaFlamme and tackled assistant referee Billy Bell in a post-game altercation
Ulf Samuelsson earned a reputation as one of the NHL's dirtiest players during his 16-year career. His most infamous moment came during the 1991 Eastern Conference Finals
Bobby Clarke, a Philadelphia Flyers legend, was known for his aggressive play and leadership. He faced criticism for his slash on Valeri Kharlamov during the 1972 Summit Series, which reportedly fractured Kharlamov's ankle.
Mike Milbury's controversial legacy spans his playing, coaching, and broadcasting careers. As a player, he was involved in a notorious incident on December 23, 1979, when he climbed into the stands at Madison Square Garden
Claude Lemieux was indeed known for his playoff prowess and controversial play. He won four Stanley Cup championships with three different teams: Montreal Canadiens (1986), New Jersey Devils (1995, 2000), and Colorado Avalanche
Todd Bertuzzi's career was indeed marred by a 2004 incident involving Steve Moore. On March 8, 2004, during a game between the Vancouver Canucks and Colorado Avalanche, Bertuzzi punched Moore from behind
Sean Avery was indeed known as one of the NHL's most notorious agitators, famous for his on-ice antics and off-ice controversies. His actions led to the creation of the "Avery Rule" during the 2008 playoffs when he faced goaltender Martin Brodeur