Describe a labor dispute in a professional sports league between the professional league, team owners, player union, and players.

Describe a labor dispute in a professional sports league between the professional league, team owners, player union, and players. In this case, the players are demanding increased compensation, financial support from the league, and benefits for players after retirement from active play in the league. The description must include the role and influence of the professional league commissioner, team owners, player union, and players on the situation.