A color (or colour) commentator is a member of the broadcasting team for a sporting event who assists the play-by-play announcer by filling in any time when play is not in progress. The color commentator provides analysis and background information, such as statistics, strategy and injury reports, on the teams and athletes, and occasionally light humor. Broadcasting is the distribution of audio and video signals (programs) to a number of recipients (listeners or viewers) that belong to a large group. ... Play-by-play, in broadcasting, means the reporting of a sporting event with a voiceover describing the details of the action of the game in progress. ... An announcer is a voice actor who works in television, radio and film, usually providing narrations, news updates, station identification, or an introduction of a product in television commercials or a guest on a talk show. ... Statistics is a type of data analysis whose practice includes the planning, summarizing, and interpreting of observations of a system possibly followed by predicting or forecasting of future events based on a mathematical model of the system being observed. ... A team comprises any group of people or animals linked in a common purpose. ... An athlete is a person possessing above average physical skills (strength, agility, and endurance) and thus seen suitable for physical activities, in particular, contests. ...

In the UK, the term summariser is often used for the person in this role.