Yeah they should. Veteran guy, familiar with the system, can provide veteran leadership. Unless you are absolutely certain that at least 2 of the following between a free agent journeyman with an unspectacular 5 year career, rookie udfa, 3rd year 7th rounder who hasn't shown much of anything outside of special teams can step up (and I'm not sure how you can be certain of that), would be smart to bring him in