Sportscast rundown is a job description for a person who provides a summary of the latest sports news. This person is responsible for recapping the most important events in the world of sports, such as game results, player updates, and other relevant information. The person must be knowledgeable about the sport they are covering and be able to provide an accurate and concise summary of the events. The sportscast rundown is typically broadcast on television or radio, and can also be found online.