Holík began his NHL career playing for the Hartford Whalers in 1990 after being selected tenth overall by them in the 1989 NHL Entry Draft. After two seasons with the Whalers, he was traded to the New Jersey Devils where he played for ten seasons, featuring as a member of the "Crash Line" alongside Mike Peluso and Randy McKay, and winning two Stanley Cup championships, in 1995 and 2000. Prior to the 2002–03 season, as a free agent, Holík signed a five-year, $45 million contract with the New York Rangers.