What is the name of the youngest coordinator in the NFL who is the head coach and general manager of the San Francisco 49ers in their 68th season in the National Football League?
2017 San Francisco 49ers season: The 2017 San Francisco 49ers season is the franchise's 68th season in the National Football League and their 72nd overall. 2017 San Francisco 49ers season:  It will also be the first season under the head coach/general manager tandem of Kyle Shanahan and John Lynch. Kyle Shanahan:  In 2008, Shanahan, at 28 years old, became the youngest coordinator in the NFL when he was promoted by the Houston Texans.
Kyle Shanahan