The preliminary pay-per-view buys estimate for WWE's Night of Champions pay-per-view event on September 16, 2012 is 189,000 worldwide. This is up from 161,000 buys for last year's show headlined by WWE Champion CM Punk vs. Triple H.
The breakdown is 100,000 domestic buys (53 percent) and 89,000 international buys (47 percent).
The event was headlined by WWE Champion CM Punk vs. John Cena.