Yair Rodriguez might have scored the best knockout in UFC history when he faced Chan Sung Jung at UFC Denver last night, the company’s 25th-anniversary event in the same city as UFC 1 in 1993.In the final 15 seconds of the fifth round of their contest, Rodriguez and the Korean Zombie acknowledged each other with a fist bump for a fantastic main event in front of just over 11,000 at the Pepsi Center in Denver.What happened next though was unbelievable to all the UFC fans watching the event at home or in the arena, as  El Pantera might have produced the best knockout in the promotion's history.Following their acknowledgment of each other, Rodriguez and Jung continued to try and throw at one another, with the Mexican landing a nice body kick.This caused the Korean Zombie to respond by trying to land a few more punches to improve his score on the judge's scorecard.The Mexican ducked The South Korean flurry and knocked him cold with a ridiculous counter elbow, sending Jung face-first to the mat just before the horn sounded.

Nobody could quite believe what just happened, including the fans inside the arena at the time who cheered in disbelief over what they had just witnessed.

Several UFC fighters, including Tony Ferguson and Daniel Cormier, were shocked by what happened inside the Octagon as well. 

Officially, Rodriguez won via knockout with a Knockout of the Year contender at 4:59 of the final round of what is a Fight of the Year contender.

The Mexican said after the fight, according to MMA Fighting: “I know the title shot is gonna be there eventually. The only thing I care about is being happy every moment I have. Being able to do what I love in the biggest company in the world is something I appreciate.”

Rodriguez now moves to an 11-2 record as a result of the win, his sixth career stoppage win. The Korean Zombie, on the other hand, now sits on a 14-5 record having lost two of his past three.