#4 The SummerSlam 2002 incident
SummerSlam 2002 is hailed by fans as one of the greatest PPVs of all time, stacked with amazing bouts from top to bottom. The main event of the night was a passing of the torch match between The Rock and Brock Lesnar. Lesnar had been dominating the WWE main roster since his debut back in April, and had won the King of the Ring tournament a while ago.
Also read: 5 moments that prove SummerSlam is Brock Lesnar's yard
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During the match, the crowd surprisingly turned on The Rock, and began showering him with boos, while cheering for Lesnar. This was due to the fact that the fans knew he would be leaving for Hollywood after the PPV. The ending to the match saw Lesnar hitting an F5 on The Rock to become the youngest WWE Champion of all time. The SummerSlam incident could be a major reason why The Rock "quietly retired" from WWE years later, as some fans probably wouldn't have taken this lightly.