The UFC on Thursday announced that Vitor Belfort was out of the UFC 173 main event fight with middleweight champion Chris Weidman due to the Nevada State Athletic Commission’s decision to ban issuing therapeutic use exemptions for testosterone replacement therapy, effective immeidately. The promotion replaced Belfort with Lyoto Machida . As soon as the announcement was made, the focus shifted to Belfort’s recent out-of-competition drug test in Nevada. Belfort consented to a voluntary random drug test when he arrived in Las Vegas on Feb. 7 for an MMA awards show. NSAC chairman Francisco Aguilar told MMAWeekly.com on Friday that the out-of-competition test was administered in an attempt to facilitate due diligence since the commission was aware that Belfort would soon be applying for a license to fight Weidman in Las Vegas, coupled with Belfort’s history that includes his TRT use and a previous failed drug test in Nevada in 2006.
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