In this Sept. 3, 2015 file photo, San Francisco 49ers quarterback Colin Kaepernick watches from the sideline during the second half of an NFL preseason football game against the San Diego Chargers in Santa Clara, Calif. Kaepernick's decision this week to refuse to stand during the playing of the national anthem as a way of protesting police killings of unarmed black men has drawn support and scorn far beyond sports.
In this Sept. 3, 2015 file photo, San Francisco 49ers quarterback Colin Kaepernick watches from the sideline during the second half of an NFL preseason football game against the San Diego Chargers in Santa Clara, Calif. Kaepernick's decision this week to refuse to stand during the playing of the national anthem as a way of protesting police killings of unarmed black men has drawn support and scorn far beyond sports. Tony Avelar AP File
In this Sept. 3, 2015 file photo, San Francisco 49ers quarterback Colin Kaepernick watches from the sideline during the second half of an NFL preseason football game against the San Diego Chargers in Santa Clara, Calif. Kaepernick's decision this week to refuse to stand during the playing of the national anthem as a way of protesting police killings of unarmed black men has drawn support and scorn far beyond sports. Tony Avelar AP File