head coach Gregg Popovich, right, speaks with Damian Lillard during training for USA Basketball, Tuesday, July 6, 2021, in Las Vegas. (AP Photo/John Locher)

United States coach Gregg Popovich calls to his team during an exhibition basketball game against Nigeria, Saturday, July 10, 2021, in Las Vegas. (AP Photo/David Becker)

United States head coach Gregg Popovich speaks with Damian Lillard (6) during the first half of an exhibition basketball game against Spain in preparation for the Olympics, Sunday, July 18, 2021, in Las Vegas. (AP Photo/John Locher)

Head coach Gregg Popovich speaks with players during training for USA Basketball, Tuesday, July 6, 2021, in Las Vegas. (AP Photo/John Locher)