Anthony Pettis: 'Showtime' Predicts First-Round Finish Against Gilbert Melendez, 'I Have to Shut Up a Lot of People' [VIDEO]

By the time Anthony Pettis defends his UFC lightweight championship on December 6, it will be 15 months since he last stepped into the octagon. Still, "Showtime" doesn't see his fight against top contender Gilbert Melendez lasting more than one round.