Michael Bisping: Brock Lesnar is ‘mentally weak’ and a ‘coward’

Michael Bisping isn't backing down from his stance against Brock Lesnar.
The reigning UFC middleweight champion recently appeared on The Ric Flair Show and laid into Lesnar for his positive drug test at UFC 200. Bisping has quite a history with PED abusers, as three of his most important losses -- to Dan Henderson, Chael Sonnen, and Vitor Belfort -- came in top contendership fights against men who ultimately either tested positive for PEDs or were admitted users of testosterone replacement