Mario Lemieux, one of the most renowned players in National Hockey League (NHL) history, played a significant role in the 2004-2005 NHL lockout. The lockout was a labor dispute between the NHL and the NHL Players’ Association that affected the entire NHL season. As the owner of the Pittsburgh Penguins, Lemieux and a group of other NHL team owners concluded that the league’s economic system needed to be restructured in order to increase revenue, and that a salary cap system should be implemented. Lemieux was a vocal leader in the labor negotiations, and sided with the team owners’ proposal. He argued that under the current system, several teams were losing money, and that the league needed to address the issue of high payrolls. Lemieux also advocated for changes to be made in the Collective Bargaining Agreement (CBA). During the lockout, Lemieux was one of the few owners who publicly supported the proposed salary cap, and he met with NHL Players’ Association Executive Director Bob Goodenow on several occasions to discuss the issue. Ultimately, the lockout ended in July 2005 with the signing of a new CBA. The new agreement included the implementation of a salary cap system and revenue sharing, which were both proposed by Lemieux and other owners. This agreement helped to stabilize the NHL financially, as teams were able to control their payrolls and share revenue among themselves in order to remain competitive. Lemieux’s role in the NHL lockout was critical in helping to resolve the labor dispute and bring stability to the league. His leadership and commitment to finding a solution to the financial issues plaguing the NHL were invaluable, and his legacy as one of the greatest players in NHL history is solidified by his ability to help lead the league out of a difficult period.