How NFL players observed the anthem during kickoff weekend

Colin Kaepernick’s protest against racial injustice has been a central topic among sports fans. NFL teams and players took their own stances during opening weekend.

NFL Week 1

San Francisco 49ers safety Eric Reid (35) kneels in front of teammates during the playing of the national anthem before an NFL football game between the 49ers and the Carolina Panthers in Santa Clara, Calif., Sunday, Sept. 10, 2017. (AP Photo/Marcio Jose Sanchez)

NFL Week 1

Oakland Raiders running back Marshawn Lynch (24) sits during the national anthem before an NFL football game between the Raiders and the Tennessee Titans Sunday, Sept. 10, 2017, in Nashville, Tenn. (AP Photo/Mark Zaleski)

NFL Week 1

Seattle Seahawks’ Michael Bennett remains seated on the bench during the national anthem before an NFL football game against the Green Bay Packers Sunday, Sept. 10, 2017, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

NFL Week 1

Green Bay Packers tight end Martellus Bennett (80) holds his fist in the air during the national anthem prior to the game against the Seattle Seahawks at Lambeau Field. Mandatory Credit: Jeff Hanisch-USA TODAY Sports

NFL Week 1

Philadelphia Eagles strong safety Malcolm Jenkins, center, raises his fist as he stands between teammates Chris Long, left, and Rodney McLeod during a rendition of the national anthem before an NFL football game against the Washington Redskins, Sunday, Sept. 10, 2017, in Landover, Md. (AP Photo/Alex Brandon)

NFL Week 1

The Cleveland Browns run onto the field with members of the military, police, fire and EMS before the game against the Pittsburgh Steelers at FirstEnergy Stadium on September 10, 2017 in Cleveland, Ohio. (Photo by Justin K. Aller/Getty Images)

NFL Week 1

Members of the Cleveland Police join the Cleveland Browns on the sidelines during the National Anthem prior to the game against the Pittsburgh Steelers at FirstEnergy Stadium on September 10, 2017 in Cleveland, Ohio. (Photo by Jason Miller/Getty Images)