#4 Having Mandy Rose win the women's Royal Rumble
While this is probably one of the most out of nowhere things on this list, it does make sense given how high Vince McMahon seems to be on Mandy Rose right now. In fact, between him giving her a new gimmick since moving to SmackDown Live and her in a homewrecker angle with Naomi, its obvious that McMahon has plans for the young star.
Whether those plans actually result in her going on to win the women's Royal Rumble or not remains to be seen, but McMahon has made crazier decisions in the past! Furthermore, SmackDown Live really needs to establish a new star in the women's division right now, which is even more of a reason why WWE should have Rose win the match.
In the end, it would be a huge surprise for the entire WWE Universe, and might even be what ricochets Mandy Rose into superstardom if all goes well. Of course WWE must craft the right storyline and give her the right opponent at WrestleMania 35 to make it all work, but maybe they can actually pull it off!