After a failed drug test forced him off of the UFC 175 card, following a string of strange events surrounding his original fight with Wanderlei Silva, UFC veteran and former WEC champion Chael Sonnen has announced his retirement.
Sonnen (28-14-1) tested positive for two medications that he was taking to try and cycle off the use of testosterone-replacement. Those substances were anastrozole, a drug commonly used for treating breast cancer and clomiphene, which is used for female infertility. The latter of which is a similar drug to the one that earned UFC featherweight Dennis Siver a suspension following a win at UFC 168 last December.
This is a matter of health, and this is a matter of being a parent and being able to live the next chapter of my life. At no point was there an attempt to slip around the system.”
Sonnen was a expected to fight Vitor Belfort at UFC 175 on July 5th after Silva refused to take a drug test and was removed from the card, drawing heavy scrutiny from Sonnen. Following a filed drug test of his own in February, Belfort was set to speak in front of the Nevada State Athletic Commission (NSAC) on June 17th to apply for a license, but the hearing was cancelled and he was removed from the card all together.