San Francisco 49ers' Colin Kaepernick kneels during the national anthem before an NFL football game against the Seattle Seahawks, in Seattle, in September 2016. Ted S. Warren/AP hide caption
NFL anthem protests
Malcolm Jenkins of the Philadelphia Eagles raises his fist during the national anthem as Chris Long puts his arm around him before the preseason game against the Pittsburgh Steelers at Lincoln Financial Field on Thursday in Philadelphia. Mitchell Leff/Getty Images hide caption
John Schnatter's resignation comes months after he had already quit as CEO in the wake of controversial remarks concerning the National Football League's handling of anthem protests. Jack Dempsey/Invision/AP hide caption
The New Orleans Saints kneel before the playing of the national anthem before the game against the Green Bay Packers at Lambeau Field on Oct. 22. Dylan Buell/Getty Images hide caption
Papa John's founder, chairman and CEO John Schnatter talks on Super Bowl 51 Radio Row, in February, in Houston. Jack Dempsey/Invision for Papa John's hide caption