Joe Rogan ranks the greatest BJ Penn moments inside the Octagon from his Hall of Fame career. Penn faces Yair Rodriguez in the main event of Fight Night Phoenix on Sunday. Do you think Penn will win? UFC Fight Night preview: Old school meets the new classFight Club: Penn aims to write new chapter in HoF careerUFC top-10 fights of 2016: No.10 - Miocic vs OvereemWATCH: BJ Penn's UFC Hall of Fame speech