Kyle Shanahan reveals he still suffers headaches and fatigue from his concussion but will return to the 49ers sideline for Thursday's preseason opener.
https://www.foxnews.com/sports/kyle-shanahan-returning-serious-car-crash-new-perspective-tesla-autopilot-concussions
https://www.foxnews.com/sports/kyle-shanahan-returning-serious-car-crash-new-perspective-tesla-autopilot-concussions