#7 CM Punk
CM Punk was one of the hottest superstar to feud with before his untimely (and controversial) exit from WWE. He cut a series of awesome promos against the Rock and featured in two singles matches against the Rock at the Royal Rumble and the Elimination Chamber in 2013, both of which Punk lost.
CM Punk shared his feelings on the Colt Cabana podcast about "dropping” the WWE title for the Rock at the Royal Rumble after Punk held it for a record 434 days. This led to one of the rare moments when the Rock faced the heat from the WWE Universe on the social media.
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A significant section of WWE Universe still believes that instead of having John Cena vs. the Rock at WrestleMania 29, a re-match of their “Once in a Lifetime” match at WrestleMania 28, it would be better to have a Triple-threat match to close the show.