Editor’s note: Because of an editing error, an earlier version of this story incorrectly stated Canada used a drone to monitor a Chile training session at Copa America. This has been corrected to report Canada’s “attempted drone usage” at the tournament.
Canada used a staffer to observe a United States training session ahead of a scrimmage in January 2021, according to multiple sources with knowledge of the situation — who spoke to The Athletic on the condition of anonymity.
The friendly match contained only 12 senior U.S. players — all from MLS teams — and Under-23s.
After the...