DTs Demarcus Dobbs and Will Tukuafu rotate days working with the offense and defense. When Dobbs works out at TE, Tukuafu is on defense and vice versa when Tukuafu works out at FB. “(Dobbs and Tukuafu) might be able to provide some depth and give us a little wrinkle here and there (on offense),” OC Greg Roman said.