On January 24, 1982, CBS Sports broadcast the highest rated (49.1/73) Super Bowl of all time as the San Francisco 49ers, led by quarterback Joe Montana, defeated the Cincinnati Bengals, 26–21. Summerall and Madden called their first Super Bowl together as they went on to be one of the most popular NFL announce teams ever. During the Super Bowl XVI telecast, the telestrator made its major network debut. CBS introduced it as the ""CBS Chalkboard"" during their sports coverage. Madden utilized the device effectively to diagram football plays on the viewers' television screens. The telestrator is generally credited with popularizing the use of ""telestration"" during sports commentary.