Gregg Popovich, the three-time coach of the year, leaves an indelible mark on basketball that extends throughout the NBA and beyond.

As Gregg Popovich stepped down from his post as San Antonio Spurs coach and transitioned to a front office role as the team's president this week, endless tributes for the winningest coach in NBA history followed.

Gregg Popovich understood the world. That goes back long before the basketball world knew who he was. It probably can be traced to at least Popovich’s time at the U.S.