Decades before mixed martial arts became popular in the United States, events matching fighters of different fighting disciplines were very common in Japan. They weren’t called “mixed martial arts” at the time, but that’s essentially what they were.There’s an entire history of pro wrestlers fighting specialists from other martial arts (particularly judo) that were leaving out, but during the’70’s Antonio Inoki began to put the concept of “mixed martial arts” on the map with his matches against fighters from other disciplines.

Inoki billed himself as ‘World Martial Arts Champion’ and would frequently face other high profile fighters in contests that are generally believed to have had a pre-determined outcome similar to professional wrestling. Inoki faced a ‘who’s who’ of the martial arts world, but none were more famous than heavyweight boxing legend Muhammad Ali.

There’s a great deal of uncertainty about many of the stories surrounding how the event came together and transpired, but a few facts are now known. Ali took the fight as it was a large and presumptively easy paycheck. The big money he was earning is what kept him from walking out when his camp started to disagree with Inoki’s handlers over the rules and ‘finish’ fo the fight. Some suggest that it was supposed to be a fair fight going in, but Ali at the last minute insisted on rules more favorable to him. The more likely version of events is that Ali’s handlers agreed to a predetermined finish, only to have Ali balk at the last moment.

Many conspiracy theorists have noted that these rules were never announced to the crowd on fight night, leaving many with the impression that they were being made up as they went along. Action in the fight would further validate this view, but there actually were rules that both camps agreed to heading into the fight. Not surprisingly, most of these were designed to protect Ali. In fact, they were so one-sided that if Inoki hadn’t been so concerned about preserving his big payday he would have been justified in not fighting. Inoki was prohibited from punching with a closed fist or striking Ali in the head (ostensibly since he wasn’t wearing gloves). Inoki was prohibited from using any sort of submission maneuver. The most absurd limitation was that Inoki was prohibited from “grappling or trying to take Ali to the ground”. A few observers noted that this was like not letting Ali throw a jab.

Despite the repeated howls from the media that the fight was ‘fixed’, it was anything but–it was a real fight and painfully boring. Ali did next to nothing, Inoki did whatever he could within the one sided rules. Eventually, Inoki spent most of the fight on the ground trying to throw kicks at Ali’s legs. The event ended up as a 74-74 draw. Both fighters got paid, and the fans got to watch a fight albeit a really, really bad one.

Some interesting trivia about the fight–the referee was former pro wrestler “Judo” Gene Labell, who is considered by many ‘the baddest man on the planet’ even in his 80’s. He could have very likely beaten up both men at the same time–a spectacle that might have been welcomed by the live crowd and closed circuit audience worldwide.

In the aftermath of the fight, Inoki’s popularity was greater than ever–in a perverse way he was something of a hero due to his trying to fight despite the rules being stacked so soundly against him. He remained one of the country’s most popular professional wrestlers and even enjoyed a career in Japan’s parliament. Without missing a beat, he quickly resumed his series of fights against other martial artists who were apparently all more comfortable with the “worked” environment of pro wrestling. Among his “victims” was none other than Leon Spinks, presumably serving as some sort of vindication for his draw with Ali. The popularity of these matches led to a number of promotions that were essentially hybrids of martial arts and pro wrestling, and these led to the big Japanese MMA promotions of today.

Ross Everett is a freelance writer and noted authority on sports betting odds comparison. He writing has appeared on a variety of sports sites including sportsbooks and World Cup betting sites. He lives in Las Vegas with three Jack Russell Terriers and a kangaroo. He is currently working on an autobiography of former energy secretary Donald Hodell.