Sean Strickland dominates YouTuber Nick Nayersina in a brutal sparring session at Xtreme Couture in Las Vegas.

O'Malley did not post the full sparring session ... This article originally appeared on MMA Junkie: Sean O'Malley releases video of '1st round TKO' in 2016 sparring session with Alexandre Pantoja ...

Clips of their sparring session were widely circulated ... In the video, the Czech fighter initially shared his knowledge of MMA and later sparred with Oliver and Jesse.