Two of the greatest fighters in UFC history make their Octagon returns after long layoffs when Jon Jones defends the heavyweight championship against two-time former champion Stipe Miocic in the main event of UFC 309.

In the buildup to UFC 309, there’s been a lot of criticism surrounding Stipe Miocic’s upcoming fight against Jon Jones. But to the former heavyweight champion, it’s all white noise. Miocic returns to the cage this Saturday in the main event of UFC 309 at Madison Square Garden where he challenges Jones for the heavyweight belt.

Stipe Miocic will challenge Jon Jones for the heavyweight championship at UFC 309 this Saturday in New York. Here's what you need to know.