UFC 291 - Justin Gaethje's KO of Dustin Poirier wows Twitter - ESPN

Justin Gaethje is the new owner of the BMF title.

Gaethje, who entered the night as ESPN's No. 4 ranked lightweight, left little room for doubt as the rightful title holder of the symbolic belt with a big win over Dustin Poirier in Saturday's UFC 291 main event in Salt Lake City.

It was the second time the two former interim UFC lightweight champions clashed in the Octagon. Poirier came out on top in their first meeting, a memorable back-and-forth 2018 bout — but the outcome of Saturday's fight was much different.

With the original BMF champion Jorge Masvidal in attendance, Gaethje ended the fight in the second round with a head kick knockout of Poirier.

Here's how social media reacted to the fight.

The similarities between the move Gaethje executed on Saturday and how Leon Edwards defeated Kamaru Usman earlier this year were immediately pointed out.

The Salt Lake Head Kick Tradition continues wow <a href=«https://twitter.com/hashtag/UFC291?src=hash&ref_src=» https:>#UFC291

That's the second time a head kick has won someone a belt in this city