Athlete unions are organizations that represent the interests of professional athletes in various sports. They work to negotiate contracts, ensure fair working conditions, and advocate for athletes' rights. These unions help athletes collectively address issues such as pay, health benefits, and safety standards in their respective sports. One well-known example is the National Football League Players Association (NFLPA), which represents players in the National Football League (NFL). Athlete unions also engage in collective bargaining with leagues to establish agreements that benefit their members, ensuring that athletes have a voice in decisions that affect their careers and well-being.