Updated

The Steelers' last-minute victory over the rival Baltimore Ravens drew the highest preliminary television rating for a divisional playoff game in 15 years.

Pittsburgh's 31-24 win Saturday afternoon on CBS earned a 20.9 overnight rating and 39 share. The network said Sunday it was the best rating for this round since Green Bay-San Francisco in January 1996.

Ratings represent the percentage of all homes with televisions tuned into a program. Shares represent the percentage of all homes with TVs in use at the time. Overnight ratings measure the country's largest markets.