On this week's MMA, Gill kicks off the new tennis season by rolling through the ATP top 20 and discussing their prospects for 2019. Can Novak Djokovic maintain world number one? Will Rafael Nadal stay healthy? How will Roger Federer fare? Can next geners Sascha Zverev, Stefanos Tsistsipas, Borna Coric or Karen Khachanov win a major this year? Will aging veterans Juan Martin Del Potro, Marin Cilic and John Isner maintain their top-10 rankings? All that, plus your questions and comments on this episode. Happy New Year!