Donald Cerrone has been taken to hospital following his defeat to Conor McGregor.
Cerrone was supposed to be present at the post-fight press conference, but has went to hospital to get his injuries checked.
McGregor destroyed Cowboy in 40 seconds in the main event of UFC 246 in Las Vegas.
The Notorious floored him with a thunderous left kick before unloading a number of savage punches.
The result means McGregor has become the first person in the history of the UFC have recorded knockout wins at featherweight, lightweight and welterweight.
McGregor vowed to knock Cowboy out before the fight and stated he wanted to "acquire rounds".
He got one half of what he wished for by absolutely annihilating the MMA veteran.
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