Kaepernick spent five days a week , beginning January 12 , working out , watching film and fine - tuning his mechanics .
In 2015 , Gile worked with San Francisco 49ers quarterback Colin Kaepernick for a ten - week offseason session in Arizona .
quarterback spent five days a week , beginning January 12 , working out , watching film and fine - tuning Gile 's mechanics .
In 2015 , Gile worked with San Francisco 49ers quarterback Colin Kaepernick for a ten - week offseason session in Arizona .