In the meantime, Purdue's Carsen Edwards contributed 12 points, four rebounds, and four assists.
Kentucky-bound big man P.J. Washington led the way in the scoring column for the United States of America, tallying 17 points.
For Canada, forward R.J. Barrett, rated the No. 1 high-school prospect in the country, scored 38 points on 24 field-goal attempts with 13 rebounds. For USA head coach John Calipari and the rest of his team, it was the first loss since 2011 when Paul Hewitt was the coach, as noted by Jonathan Givony of DraftExpress.
Following a Barrett basket, Canada led 15-14 with 2:33 left in the first quarter. At times, we needed stops and we just couldn't get a rebound, things like that.
United Kingdom foreign minister urges Arab states to end Qatar boycott
In response, Qatar has dismissed as "baseless" the Saudi-led bloc's accusations that it supports terrorism and interferes in their internal affairs.
A Kevin Huerter (Maryland/Clifton Park, N.Y.) basket made the score 17-4, and an Edward's, 3, followed by a basket from Huerter and 3 from Louis King (Hudson Catholic H.S./Columbus, N.J.) ballooned the United States of America lead to 25-8 at the end of the first 10 minutes. Additionally, the US force Germany into 23 turnovers that led to 20 points.
Team USA hadn't been tested at all leading up to Saturday.
The North American outfit then extended their advantage in the second stanza to ensure they reached half-time 51-36 in front.
John Calipari and team US expected to win gold at the U19 FIBA World Cup. They shot 58.1 percent from the free-throw line and 26.1 percent from distance. "I don't think anyone played poorly".