Social media detectives noticed that San Francisco 49ers head coach Kyle Shanahan has aged aplenty in just eight year.

The NFL held their annual league meeting this week, and fans noticed that San Francisco 49ers head coach Kyle Shanahan looks quite different than he once did. When he became the head coach of the ...

Kyle Shanahan and the San Francisco 49ers ... a successful tenure as the 49ers' run game coordinator and offensive coordinator, Miami hired McDaniel as head coach to help usher in a new era ...