#3 Royal Rumble
It doesn't matter whether it's at number one or number thirty - if Conor McGregor enters the Royal Rumble match then the WWE Universe would certainly lose their minds.
His global reach and appeal would mean that he's guaranteed to get a huge pop, and you could even increase the likelihood of a reaction by teasing his appearance earlier in the week.
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Imagine Brock Lesnar being in the ring when Conor McGregor comes out, as Conor uses his speed and athleticism to slip away from Brock at every possible opportunity.
It would make things feel oh so real and that's the beauty of professional wrestling - when you get carried away in the moment, you lose that sense of predictability. Make this happen, WWE.
Onto something that wouldn't exactly require entrance music.