San Francisco 49ers quarterback Colin Kaepernick (7) warms up next to quarterback Blaine Gabbert (2) before an NFL football game against the Minnesota Vikings in Santa Clara, Calif., Monday, Sept. 14, 2015.
San Francisco 49ers quarterback Colin Kaepernick (7) warms up next to quarterback Blaine Gabbert (2) before an NFL football game against the Minnesota Vikings in Santa Clara, Calif., Monday, Sept. 14, 2015. Tony Avelar AP
San Francisco 49ers quarterback Colin Kaepernick (7) warms up next to quarterback Blaine Gabbert (2) before an NFL football game against the Minnesota Vikings in Santa Clara, Calif., Monday, Sept. 14, 2015. Tony Avelar AP