While US basketball readies for Rio, Popovich preps for 2020
LAS VEGAS — Mike Krzyzewski is working with his team when suddenly Gregg Popovich enters the gym with his own guys looking to play ball. Krzyzewski vs. Popovich. Five-time NCAA champion vs. five-time NBA champion. It’s a mega matchup that would look good on one of the giant marquees that light up Las Vegas. Except