#4 Pyro
Whether it's at the start of the show or during a Superstar's entrance, pyro is so important when it comes to ramping up the excitement of the crowd. No matter when it pops up, it always garners a reaction, and the UFC could use that extra bolt of electricity heading into an event.
If you need an example of it working, look towards the WrestleManias in the last few years that HAVEN'T had pyro at the start as opposed to the ones that have.
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It might not be considered a necessity but if the UFC tried it just once, they'd never stop. Adding a little bit more showmanship to the company is important when it comes to the branding, and the UFC is probably closer to the WWE in terms of relatability than anything else - including boxing.
It may come across as silly, but we guarantee that it'll get a pop out of the audience. We conclude with something that's a little bit more towards WWE fans' taste.