Sportsmen across the US National Football League erupted in protest on Sunday in protest at comments made by Donald Trump.
The row between several teams in the NFL and the US President began in earnest after Trump attacked players who kneel during the national anthem, which is played before the start of every match.
He insisted players who "make millions" should not be allowed to disrespect the US flag or anthem.
Over the weekend, a number of players on teams across America - like the Jacksonville Jaguars, Baltimore Ravens, and New England Patriots - kneeled in protest at Trump's comments.
Some teams, like the Tennessee Titans and Seattle Sehawks, remained in the locker rooms during the anthem, while others, like players from the Oakland Raiders and Washington Redskins, remained sat on their benches.
It provoked the fury of the US President, who posted a series of tweets to blast it.
The US President called for the NFL to change its policies to ensure all players stand during the anthem: