Floyd Mayweather has used many different entrance songs, including "Overjoyed" by Stevie Wonder and "For The Love Of Money" by the O'Jays.
But in May 2013, he didn't merely have "No Worries" by Lil Wayne play over the PA - he had the rapper perform it live.
Fighters think long and hard about their walkout music for their entrances and, while some are complete failures, there are a number of quality entrance themes that get the crowd pumped up and the fighter ready to go.
From DMX to french rap to Weird Al Yankovic, there are a number of great and fitting songs that fighters choose to get their mind right.
So instead of everyone else making fun of him, Nelson has poked fun at himself by walking out to Weird Al Yankovic’s “Fat.” But laugh all you want, if that right hand lands, you’re going to sleep.
Maybe that's why the big entrance is such an interesting part of fight night.
EXPLICIT CONTENT WARNING: Many of the following videos include explicit lyrics and/or suggestive imagery. 59, the one chosen by Padres’ infielder Allen Cordoba, probably should not be watched in any sort of workplace.
Mixed martial arts bouts are won in the cage, but the fighter entrances play a large part in getting the fighter in the right mindset to perform at the best of their abilities.
Ideally, they should also be original, because then it's a signature song, and not just some regurgitation of the warmed-over leftovers from some T-shirt cannon TV timeout.
So with all those criteria in mind, here are my submissions for the 50 best entrance songs in UFC history.