Khalil Rountree says he's out of UFC 303 co-main vs. Jamahal Hill due to drug test failure

It looks like the co-main event for the UFC’s International Fight Week will need to be retooled after one of the fighters said he failed a drug test.
Khalil Rountree (13-5 MMA, 9-5 UFC) on Saturday posted on social media that he is out of the UFC 303 light heavyweight co-feature against former champion Jamahal Hill (12-2 MMA, 6-2 UFC). His girlfriend, muay Thai fighter/TV host/model Mia Kang, posted on social media details of what she said will be a suspension for Dehydroepiandrosterone (D