Herb Dean broke his silence on Alex Pereira's 'illegal blow' accusations from UFC Freedom 250, defending his officiating by clarifying the back-of-head rule.

Ciryl Gane's 2nd-round TKO over Alex Pereira at UFC Freedom 250 is overshadowed by video of repeated illegal back-of-the-head shots and questions about referee Herb Dean.

Alex Pereira has strongly criticized veteran UFC referee Herb Dean following his loss to Ciryl Gane at UFC 322 on June 14. Days after the fight, Pereira shared a video on…