NFL 12 hours ago Christian McCaffrey exits against Bills with knee injury 49ers RB Christian McCaffrey was dealt another blow after exiting San Francisco’s Week 13 matchup against the Bills. US & World Videos 3:18 49ers' Hubbard details journey to becoming a passionate mental health advocate 0:43 Atlanta, Mercedes-Benz Stadium to host Super Bowl LXII in 2028 2:11 Jets' Quincy Williams honors late mom, spreads awareness through American Cancer Society 1:09 Stats, highlights from 49ers' win over Seahawks in Week 6 2:31 Bengals' Brown Jr. educating, raising awareness for type 1 diabetes