SANTA CLARA -- The 49ers are in trial-and-error mode when it comes to their depth chart, and the final 22 might not be set until the final preseason game Sept. 1. Here's a synopsis of the defensive position groups in late May. Keep in mind that rookies* rarely have cracked the second-team lineup at this stage of OTAs (There's one exception below) but certainly will do so by August. Also that 2015 starters Ahmad Brooks (minor injury), Glenn Dorsey (ACL) and Ian Williams have been unable to practice this month. Here’s a synopsis of the 49ers’ offensive groups.
Looking for 11: Where things stand with the 49ers defense
