But any hope that he might end the protest evaporated on Sunday in north London.
President Trump had delivered a stinging attack on those in the National Football League, like Colin Kaepernick and Michael Bennett, who have chosen to kneel in response to perceived racial injustice and police brutality.
Many players also took a knee in protest a day after President Donald Trump said he believed players who did so during the anthem should be kicked off the field and even fired. "He's fired, '" Trump said during a rally on Friday in Alabama. "He's going to say, 'That guy that disrespects our flag, he's fired.' And that owner, they don't know it [but] they'll be the most popular person in this country". New York Jets owner Woody Johnson, a major Trump presidential campaign donor, was confirmed by the Senate last month as Trump's pick to serve as US ambassador to Britain.
American footballers at Wembley have defied USA president Donald Trump and kneeled during the traditional pre-match playing of the American national anthem. All of the kneeling players rose for the British national anthem.
Ravens coach John Harbaugh was part of Sunday's protest. All voices need to be heard.
"Divisive comments like these demonstrate an unfortunate lack of respect for the National Football League, our great game and all of our players, and a failure to understand the overwhelming force for good our clubs and players represent in our communities", he said. Since then, the Bills, Browns, Colts, Dolphins, 49ers, Patriots, Packers, Seahawks, and the head of the NFL Players' Association have issued statements denouncing Trump's comments.
During last week's round of games, four players sat or knelt during the anthem and two raised their fists, while others stood by the protesters in support and many are predicting more protests.
As journalist Shaun King noted, with "27 players and staff" from both teams participating in the protest took, it was the "most ever in one game".
The NFL will air an ad that promotes unity in response to President Donald Trump's comments over the past three days about player demonstrations.
"I think our political leaders could learn a lot from the lessons of teamwork and the importance of working together toward a common goal". "You are going to see full-team protests, coaches included. Our players have the freedom to express themselves in a respectful and thoughtful manner and we all agreed that our sole message is to provide and to promote an environment that is focused on love and equality".