#3 John Cena vs The Undertaker
The last time Cena and Taker faced off against each other was at WrestleMania earlier this year. Cena challenged The Undertaker for a match at WrestleMania, but the Phenom did not respond for weeks on end. Consequently, Cena went to the 34th WrestleMania as a member of the audience instead.
During the PPV, Cena was called backstage, and he came out thinking that he'll face The Undertaker, but Elias came out to insult him instead. After a confrontation with Elias, Cena was leaving when the Undertaker finally made his appearance.
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Cena lost to The Undertaker, after getting hit by the Tombstone Piledriver. The loss came as a shock to many, as it gave rise to speculation that there could be a future rematch. The fact that the Undertaker just squashed 'The Franchise Player' made everyone think that there is a possibility.
As of now, we have not seen Cena or Taker since 'The Greatest Royal Rumble' event. Although Taker did appear on a live show in the MSG. And the rumours are completely unprecedented. The next few weeks will help the audience to see if there is any truth to the rumours. Some fans even speculated that there could be a 'No Holds Barred match' at SummerSlam.