During the closing moments on WWE Raw tonight, AJ announced that CM Punk will defend his WWE Championship against The Big Show and John Cena in a triple threat match.

Here is the updated card for the SummerSlam pay-per-view event.

* Triple H vs. Brock Lesnar

* Triple Threat for the WWE Championship: CM Punk vs. Big Show vs. John Cena

* World Heavyweight Championship: Sheamus vs. Alberto Del Rio

SummerSlam 2012 will take place Sunday, August 19, 2012 from the Staples Center in Los Angeles, California.