For something per Cyborgs Facebook... Could it be Holm? They have tested her the most out of anyone in the UFC so far, 14x she's been tested so far. I don't see it happening, but who knows
Paging Jake Shields!
JonknowsnothingSnow
Please find below the source tweet. Mike has tweeted no in response to it being Holly or Gil
Please god let it be anything but Main or Co-main. Those are the only 2 fights holding this card together.
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Damn you Herrig
Lol damn, in for confirmation
Friends please find below an update
Urbina will still weigh in as a potential backup opponent should there be a need for him to compete in another bout on Saturday. Otherwise, he will be re-booked for another card in the near future
Friends, Please find below an update
As anyone that knows me or follows me on social media is aware, I am an outspoken advocate for keeping MMA clean of PEDs. I was shocked when I was told that I could not fight this weekend. I did not fail a test. I was pulled from the card due to a natural supplement being on my list of supplements that I voluntarily disclosed to USADA. This supplement has been on my list that I have disclosed to both the UFC and USADA prior to my previous fights. I have been tested for PEDs countless times in my career by different testing authorities, including USADA. I have never tested positive for any banned substances. I want to thank everyone that supports me. I plan to do whatever it takes to clear my name. I am confident that my name will be cleared.
This shit is a joke anymore
Searchinghappy - This shit is a joke anymoreYah, fighters need to stop cheating.

So he took an over the counter legal supplement and still passed all his test. WTF is the problem?! Just because it's one some bullshit list?
Friends please find below an update
The full USADA statement is as follows:
"Given that the athlete has publicly addressed this matter, USADA can confirm that it has initiated an investigation following Mr. Sullivan's declaration of a high risk "dietary supplement" during an out-of-competition sample collection on July 13, 2016. At no time prior to last week had Mr. Sullivan made this declaration during a USADA sample collection. As of now, USADA has not concluded that a policy violation was committed and Mr. Sullivan has not been notified of a potential anti-doping policy violation. Nonetheless, given Mr. Sullivan's declaration, and the strong possibility that the product he declared contains a prohibited substance, USADA will continue to thoroughly investigate the matter."
George Sullivan was pulled said he didnt test positive but the supplements he told them he was taking had them pull him even though they were on his list last time as well
DEA?!
lol @ this