Guerendo is hoping to carve out a bigger role in the offense after averaging five yards per carry last season, albeit on just 84 carries. His size and speed give him big-play potential, and Kyle Shanahan has a history of scheming up explosive runs. With Jordan Mason gone, does Guerendo step into his own role, or is he simply McCaffrey’s backup?

Christian McCaffrey's injury woes tripped up the San Francisco 49ers last season. Can they overcome any absence from him this year?