Watch Conor McGregor suffer horrific broken leg in first round with career in doubt as he loses to Poirier at UFC 264
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Conor McGregor leaves UFC 264 on stretcher after suffering gruesome leg injury
And as the bad blood spilled over, again he looked to goad Poirier.
As McGregor repositioned himself after getting off the mat, his plant foot buckled and snapped in half under his weight.
There's a reason he's opening this card.