Brock Lesnar has been popped for a potential United States Anti-Doping Agency (USADA) violation dating back to an out-of-competition test on June 28.
According to Ultimate Fighting Championship (UFC), who released a statement earlier this evening (Friday, July 15, 2016) regarding Lesnar, USADA received the results of the out-of-competition test on July 14. Remember, Lesnar last fought at UFC 200 on July 9, defeating Mark Hunt via unanimous decision.
Prior to UFC 200, former UFC Light Heavyweight champion Jon Jones was also flagged for a violation dating back to June 16.
Like most of these cases, no official announcement has been made regarding the banned substance(s) that Lesnar may have taken.