It appears that both Brock Lesnar and Jon Jones tested positive for the same banned substance. It was reported on Tuesday that Lesnar, who failed in and out-of-competition drug tests in the lead up to UFC 200, tested positive for the same anti-estrogen agent as 'Bones'.
MMA Fighting confirmed the news yesterday, revealing that Lesnar flagged for hydroxy-clomiphene, while Jones also tested positive for Letrozole.
What's also been confirmed, is that neither Lesnar or Jones will face fines from the UFC. Jones, whose failed drug test stems from an out-of-competition sample conducted by the USADA on June 16, was pulled from his UFC 200 main event slot with Daniel Cormier.