UFC 296's standout featherweight bout between the No. 10 ranked Bryce Mitchell and the No. 6 ranked Josh Emmett ended in one of the scariest knockouts of the year, and fight fans are all riled up about it.'Thug Nasty' was a sizeable favorite coming into the fight. However, when the cage doors closed and the bell rang, things fell apart quickly for the 29-year-old. Emmett closed the show in the opening round with a vicious overhand right, which left his opponent convulsing on the canvas.Catch Josh Emmett's knockout of Bryce Mitchell below:Emmett's statement knockout over a serious contender like Mitchell has sent fight fans into a frenzy. They flocked to social media to express disbelief and amazement over what they had just witnessed.Check out a few fan reactions below:@Arodithofficial wrote:"He can sleep on that flat earth of his. 😅"@BobCSeger joked:"He met god."@57TMT said:"Bro Bryce's nose is as flat as his beliefs."@Hyatt4OROY exclaimed:"Jesus Christ, what a shot."@Tesla_Armando had this to say:"Hand down, man down."@taylor__4422 opined:"That was painful to watch."@gianstran wrote:"He probably thinks the earth is round now."@CoachRecco said:"The convulsion and brain trauma on this one shot is quite scary. Bryce may never fight again."Another fight fan wrote:"This is so disgusting I felt it in my stomach."Screenshots via XJosh Emmett's stark warning to featherweights following Bryce Mitchell KOJosh Emmett's first-round finish of Bryce Mitchell at UFC 296 might just be a Knockout of the Year contender. Understandably, the 38-year-old firmly believes his unique knockout ability is a problem for the entire division.During his octagon interview with Joe Rogan, the former interim featherweight title challenger gave a stark warning to the 145-pound division while heaping praise on his opponent:"I want to take Bryce for taking the fight. You know he took it on two weeks' notice. Man, he is a dangerous guy. [I] wish him nothing but the best, but I am the most powerful featherweight in the world. It only takes one shot."Catch Josh Emmett's comments below (0:30):