Despite leading by one at halftime, the United States couldn't hold off Uruguay in the men's Pan Am Games opener for both countries, eventually losing to the South American nation 81-72 in Rio de Janeiro.
Indiana's D.J. White paced the Americans with 14 points and nine rebounds while Oregon's Maarty Leunen chipped in 14 points and seven rebounds.
The back-and-forth game saw nine lead changes during the first half. The American squad led by as many seven points after halftime.
In Wednesday's other preliminary round games, Puerto Rico (1-0) behind 21 points from Dallas Mavericks guard Jose Barea rolled over Canada (0-1) 82-63; host Brazil (1-0) got double figure scoring from five players and held off the U.S. Virgin Islands (0-1) for an 86-81 win; and Argentina (1-0) rallied back late to down Panama (0-1) 76-71.