Bring him in now so we have him for depth in the playoffs, but more importantly, for next year. I'm expecting this is the last year for Hughes and Addison.
That leaves us with basically ONLY our picks left. Epenesa, Rousseau, and Basham. Shaq would be a good young-ish vet to round out that group. Could pair them as Rousseau/Shaq and Epenesa/Basham, so we have a pass rusher as well as a run stopper on the field at the same time. Or mix and match depending on the situation.