SANTA CLARA, CA - OCTOBER 02: (L-R) Eli Harold #58, Colin Kaepernick #7 and Eric Reid #35 of the San Francisco 49ers kneel on the sideline during the National Anthem prior to the game against the Dallas Cowboys at Levi's Stadium on October 2, 2016 in Santa Clara, California. (Photo by Thearon W. Henderson/Getty Images)

SANTA CLARA, CA - OCTOBER 02:  (L-R) Eli Harold #58, Colin Kaepernick #7 and Eric Reid #35 of the San Francisco 49ers kneel on the sideline during the National Anthem prior to the game against the Dallas Cowboys at Levi's Stadium on October 2, 2016 in Santa Clara, California.  (Photo by Thearon W. Henderson/Getty Images)