As he prepared to board Air Force One to return to Washington from New Jersey on Sunday, Trump said the players protesting the anthem were "very disrespectful to our country" and called again on owners to stop what he considers unpatriotic displays in America's most popular sport.
Defensive star Von Miller was among the majority of Denver Broncos who took a knee in Buffalo on Sunday, where Bills running back LeSean McCoy stretched during "The Star-Spangled Banner."
Jets Chairman and CEO Christopher Johnson, whose brother, Woody, is the ambassador to England and one of Trump's most ardent supporters, called it "an honor and a privilege to stand arm-in-arm unified with our players during today's national anthem" in East Rutherford, N.J.
The movement started more than a year ago when former San Francisco 49ers quarterback Colin Kaepernick refused to stand during the national anthem as a protest of police treatment of racial minorities.
The Associated Press's Dennis Waszak Jr., Steve Reed, Larry Lage, Teresa M. Walker, John Wawrow and Stephen Whyno and Zac Boyer contributed to this report.
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