 Complete the following phrase:  Ziggler retained against Rollins on several occasions, including in a 30-minute Iron Man match at Extreme Rules after interference from McIntyre, but at SummerSlam, Rollins defeated Ziggler to regain the championship, after enlisting the help of a returning Dean Ambrose. The next on Raw, Rollins reformed The Shield with Ambrose and Roman Reigns, preventing Braun Strowman from cashing in his Money in the Bank contract for the Universal Championship against Reigns. At Hell in a Cell in September, Rollins and Ambrose failed to win the Raw Tag Team Championship from McIntyre and Ziggler. At 