Much has changed since the UFC first aired on pay-per-view. Dana White is president of the organization, the product is polished and sanctioned nearly everywhere, and the athletes are… well, legitimate. But such was not the case on that autumn night in November of 1993. What you saw back then was raw violence, with feared karate men and kickboxers expected to cut a swath through all the sumo wrestlers, boxers and Brazilian Jiu-Jitsu practitioners in their way (and they pretty much succeeded until they got to the jiu-jitsu guys – heh).

But the biggest difference between now and then is the rules. Despite belief to the contrary, at UFC 1 there were nine of them. As per UFC founder Campbell McLaren’s Twitter feed, here’s what the fighters at the seminal MMA event had to conform to:

Crazy, huh?