Alexander Romanov won’t be fighting at UFC 251 and according to his gym, that’s due to positive COVID-19 tests. In an Instagram post Thursday, his home gym, Lion Comrat, revealed that Romanov (11-0 MMA, 0-0 UFC) and his coaches had tested positive for COVID-19 on July 1. The post also said a second test had come back negative. However, the wording makes it unclear whether the negative test was an antibody test or a second swab test. Romanov was removed from his UFC 251 fight against Marcin Tybura late this past week and was replaced by Maxim Grishin
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Gym: Alexander Romanov was removed from UFC 251 due to positive COVID-19 tests – MMA Junkie