The co-main event of UFC Fight Night 190 between Ovince Saint Preux and Tanner Boser ended in a knockout in the second round, but not without a controversial moment just prior to the stoppage. Saint Preux (25-16 MMA, 13-11 UFC) had Boser (20-8-1 MMA, 4-3 UFC) on his back close to the fence after securing a takedown. Boser tried to improve his posture by pushing himself away from Saint Preux, including using his right hand against the fence for leverage. At the moment, it appeared Boser may have grabbed the fence to pull himself up, which prompted referee Jason Herzog to step in and touch both fighters, an action that usually signals a pause to the action. However, Herzog did not pause the action after making contact and allowed the fight to continue
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Ovince Saint Preux plans to appeal knockout loss to Tanner Boser at UFC Fight Night 190 – MMA Junkie