The United States failed to sparkle as they launched their bid for a third World Cup title in a row with an 88-67 victory over the Czech Republic on Sunday in Shanghai.
The United States' biggest stars may be absent but a number of NBA players are still converging on China for the Basketball World Cup.
Boston's Jaylen Brown drained 19 points as the United States bounced back from a shock loss to Australia by thumping Canada 84-68 to get their World Cup campaign back on track Monday.
The final United States roster of NBA players for the Basketball World Cup is set after a left ankle injury forced out Los Angeles Lakers forward Kyle Kuzma, USA Basketball said Saturday.
San Antonio Spurs' Patty Mills sank a game-high 30 points as Australia beat the United States for the first time ever Saturday, stunning the basketball world champions 98-94 in a huge upset.
Boston guard Kemba Walker dazzled with 23 points as the United States ramped up preparations for the defence of their World Cup crown with an impressive 102-86 victory over Australia in a warm-up game Thursday.
Donovan Mitchell scored 13 points to lead the United States to a 90-81 victory over Spain Friday in a basketball World Cup warm-up for both teams.
Toronto Raptors guard Kyle Lowry and Boston Celtics guard Marcus Smart will miss the United States' national team's intersquad scrimmage Friday with injuries, USA Basketball said Thursday.