In the UFC in 2021, Dustin Poirier and Conor McGregor created headlines.
The two former champions squared off twice, with Poirier winning both meetings.
Of course, with McGregor involved, it was far from clear-cut decisions.
Check out the first installment in the year in review from the UFC featuring Poirier and McGregor.
We take a look back at some of the highlights from the first half of the calendar year, from UFC 257: Poirier vs McGregor 2 to welcoming fans back in a major way at UFC 261: Usman vs Masvidal 2.