Gennadiy Golovkin takes on Steve Rolls at Madison Square Garden this Saturday. He recently joined SI Now to weigh in on his upcoming matchup, Andy Ruiz Jr.'s upset over Anthony Joshua and why he would want to fight Floyd Mayweather. Subscribe to ►► po.st/SubscribeSI Follow the latest NFL news and highlights, with updates on your favorite team and players. Want to know what’s up with Russell Wilson, Cam Newton, Tom Brady and more? We’ve got you covered: po.st/PlaylistSI-NFL Will the Golden State Warriors make history again? Keep up with all the important NBA updates, including news on LeBron James, Kevin Durant, Steph Curry and more: po.st/PlaylistSI-NBA From Bryce Harper and Mike Trout to Clayton Kershaw and Madison Bumgarner, Sports Illustrated brings you the smartest commentary and inside stories on the latest MLB news: po.st/PlaylistSI-MLB Check out the most recent clips and highlights from episodes of SI Now, Sports Illustrated’s daily talk show. Fr...