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Tag Archives: Anastrozole

Chael Sonnen Says He Took Banned Substances

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Earlier today, it was revealed that Chael Sonnen failed a random drug test and is out of his UFC 175 fight with Vitor Belfort. The three-time UFC title challenger tested positive for Anastrozole and Clomiphene, which are prohibited substances on page 5 of the USADA banned substance list. Sonnen was on the “Jay Mohr Sports” on FOX Sports Radio to ... Read More »