The imagery of Conor McGregor collapsing 1:09 into the first round of his UFC 329 main event vs. Max Holloway in Las Vegas Saturday night is going to be played

McGregor, who won the first bout against Holloway in 2013, has not fought in the Octagon since July 2021.

Conor McGregor's return to the UFC's Octagon lasted all of 69 seconds before a knee injury brought a premature end to the fight. Here's everything you need to know.