Images from the gruesome middleweight cage fight, taking place at the Enmax Centre in Lethbridge, Alberta, Canada on Friday night, showed the fighters "literally sliding around in all the blood," as one social media commentator put it.
Warning: The following video may not be suitable for all viewers.
The blood was coming from Dwyer's broken nose, which Curtis jabbed with a huge right swing in the 4th round.
Social media users were both shocked and captivated at the carnage in the cage, posting a variety of theme-appropriate memes.
The fight saw 31-year-old Curtis climb middleweight champion, with a win/loss record of 20-5, with 29-year-old Dwyer falling to 11-5.