Unbeaten lightweight contender Michel Rivera is this week's guest on The PBC Podcast. The ultra-confident Rivera breaks down his showdown versus fellow unbeaten rising 135-pounder Frank Martin Saturday, December 17 at The Cosmopolitan in Las Vegas in a Premier Boxing Champions headliner live on SHOWTIME. Plus, hosts Kenneth Bouhairie and Michael Rosenthal discuss the return of Gervonta "Tank" Davis and, in this week's Toe to Toe segment, list the five greatest performances of Davis' career.