Drafted by the Montreal Canadiens in the 1981 NHL Entry Draft, he made his NHL debut in the 198384 season, becoming a full-time player in 1984. Chelios quickly established himself, earning a spot on the 1985 NHL All-Rookie Team and finishing as a runner-up for the Calder Memorial Trophy. In the 198586 season, he secured his first Stanley Cup with the Canadiens, where he also won his first James Norris Memorial Trophy in the 198889 season and served as co-captain. He represented the United States at the 1984 Winter Olympics.
In 1990, Chelios was traded to the Chicago Blackhawks, captaining the team from 1995 to 1999 and earning two additional James Norris Memorial Trophies in 1993 and 1996. During this period, he was a key member of the United States team that won the World Cup of Hockey in 1996, also earning a place on the All-Tournament Team. His illustrious career extended into the new millennium with the Detroit Red Wings, joining them in 1999. With the Red Wings, Chelios secured two more Stanley Cups in 2002 and 2008.
His enduring legacy in hockey has been celebrated with numerous accolades, including his induction into the Hockey Hall of Fame in 2013 and the IIHF Hall of Fame in 2018. In 2017, he was named one of the ‘100 Greatest NHL Players,’ and most recently, the Chicago Blackhawks honored his lasting impact on the sport by retiring his No. 7 jersey in 2024.