On this week's MMA, Daniil Medvedev blazed through the Rogers Cup draw until he ran into Rafael Nadal in the 2019 final. Rafa won in straight sets, marking the first time he defended a hard court title in his storied career. I discuss the importance of defending titles, and how Nadal attacked Medvedev's weaknesses. Then, a new edition of the US Open Power Rankings. Finally, I preview Cincinnati 2019, which includes a Novak Djokovic and Roger Federer.