After winning the WWE Raw Tag Team Titles at SummerSlam, Dean Ambrose is now a Grand Slam Champion in WWE, having won the WWE Title, the U.S. Title, the IC Title now the Tag Titles.
After winning the WWE Raw Tag Team Titles at SummerSlam, Dean Ambrose is now a Grand Slam Champion in WWE, having won the WWE Title, the U.S. Title, the IC Title now the Tag Titles.