United States' Damian Lillard (6) defends the ball against Nigeria during an exhibition basketball game Saturday, July 10, 2021, in Las Vegas. (AP Photo/David Becker)

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)

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

United States' Darius Garland (25) and Nigeria's Caleb Agada (3) chase the ball during an exhibition basketball game Saturday, July 10, 2021, in Las Vegas. (AP Photo/David Becker)

United States' Draymond Green (14) shoots against Nigeria's Ekpe Udoh (8) during an exhibition basketball game Saturday, July 10, 2021, in Las Vegas. (AP Photo/David Becker)

Nigeria's Gabe Nnamdi Vincent (22) looks to pass against the United States during an exhibition basketball game Saturday, July 10, 2021, in Las Vegas. (AP Photo/David Becker)

Nigeria's Gabe Nnamdi Vincent (22) and United States' Damian Lillard (6) chase the ball during an exhibition basketball game Saturday, July 10, 2021, in Las Vegas. (AP Photo/David Becker)