Following President Donald Trump's comments at an Alabama rally on September 22, 2017, an unprecedented number of players took a knee and locked arms on the field in a dramatic show of defiance. Here, members of the New England Patriots -- Trump's all-time favorite team -- kneel during the National Anthem before a game against the Houston Texans at Gillette Stadium on September 24 in Foxboro, Massachusetts.
That same day, members of the Indianapolis Colts take a knee during the National Anthem ahead of their game against Cleveland Browns at Lucas Oil Stadium in Indianapolis.
Buffalo Bills players kneel during the National Anthem before their game against the Denver Broncos at New Era Field in Orchard Park, New York.
Jacksonville Jaguars players kneel during the National Anthem before the NFL International Series match at Wembley Stadium, London.
Members of the Detroit Lions take a knee during the National Anthem before their game against the Atlanta Falcons at Ford Field in Detroit.
Miami Dolphins players, from left, Laremy Tunsil, Maurice Smith, Jarvis Landry and Julius Thomas take a knee during the National Anthem prior to a game against the New York Jets at MetLife Stadium in East Rutherford, New Jersey.
Baltimore Ravens players kneel during the National Anthem during the NFL International Series match against the Jacksonville Jaguars at Wembley Stadium in London.
Miami Dolphins players kneel during the National Anthem before playing the New Orleans Saints at Wembley Stadium on October 1 in London.