The primary legal duty of sports facility owners and operators is to provide a safe environment for participants and spectators. This includes taking steps to prevent injuries, such as maintaining the facility in good condition and providing adequate supervision.

The legal doctrine that holds sports facility owners and operators liable for injuries sustained by participants and spectators is negligence. Negligence is the failure to take reasonable care to prevent harm to others. In the context of sports facilities, this means that owners and operators must take steps to prevent injuries, such as maintaining the facility in good condition and providing adequate supervision.

Common defenses to negligence claims against sports facility owners and operators include assumption of risk, contributory negligence, and act of God. Assumption of risk is the defense that the participant or spectator voluntarily assumed the risk of injury by participating in the activity. Contributory negligence is the defense that the participant or spectator's own negligence contributed to the injury. Act of God is the defense that the injury was caused by an unforeseeable and unavoidable natural event.

Legal issues that arise in the context of contracts between sports facility owners and operators and professional sports teams include negotiation of lease terms, intellectual property rights, and revenue sharing. Lease terms typically cover the length of the lease, the rent, and the responsibilities of the team and the facility owner. Intellectual property rights include the team's logos, trademarks, and copyrights. Revenue sharing agreements determine how the revenue generated by the team is divided between the team and the facility owner.

Legal issues that arise in the context of safety at sports facilities include crowd control, emergency preparedness, and inspections. Crowd control measures are designed to prevent injuries to spectators and participants. Emergency preparedness plans are designed to ensure that the facility is prepared to respond to emergencies, such as fires or medical emergencies. Inspections are conducted to ensure that the facility is in compliance with safety regulations.