San Francisco 49ers head coach Kyle Shanahan says he isn't expecting age-related decline from Christian McCaffrey as the running back heads into his age-29 campaign this fall.

Kyle Shanahan outlines the San Francisco 49ers plan for Christian McCaffrey following the latest trade detailing his role in the offense.

In the midst of his height in popularity, San Francisco 49ers star Christian McCaffrey has launched a new clothing brand, ...