first_imgSANTA CLARA — Adrian Colbert seized the 49ers’ free safety job last year when Jimmie Ward got hurt. But Colbert’s punishing hits were few and far between this season, a season that is now over for him.Colbert is done for 2018 as a high-ankle sprain sent him onto injured reserve Monday, coach Kyle Shanahan announced.“Now with Colbert going out, it gives more opportunities to D.J. Reed or other players,” Shanahan said. “We hope they step it up like he did last year.”San Francisco 49ers’ Adrian …last_img