The Boston Celtics overtime win against the Miami Heat has drawn the highest preliminary television rating for an NBA playoff game on cable since records started being kept in 2003, the game had a 20.7 rating in Boston.
Game 4 of the Eastern Conference finals Sunday night on ESPN produced a 7.9 overnight rating. The game peaked with a 10.7 rating during overtime, tying the series 2-2.
Additionally, the game posted a 19.8 rating in Miami - the third highest rating for an NBA playoff game on ESPN in the market.
The network said Monday that was up 39 percent from Game 4 of the 2011 Western Conference finals on ESPN between the Mavericks and Thunder. Ratings represent the percentage of all homes with televisions tuned into a program. Overnight ratings measure the country's largest markets.