One of the most infamous moments of Diego Sanchez’s partnership with Joshua Fabia was the training drill where Sanchez was hung upside down and struck. Video of the session shocked the MMA world. In the footage, Sanchez is suspended by his legs while Fabia punches and kicks his body and head. Fabia claimed this was a form of body hardening, meant to condition Sanchez to absorb strikes and stay calm under physical stress. In reality, this method is almost unheard of in professional fight training