Since this year's draft is deep at DT, i'm sure we can replace Hankins with someone like Caleb Brantley, Montravious Adams or Carlos Watkins and that can happen as early as the 2nd round.
One free agent i'd be looking at is Zach Brown. Exceptional season last year and he ended up being the most productive player at a bargain price(1 year 1.25 million dollar deal). If we don't sign an OT, might as well use the money on Brown. I think if we restructure some contracts and cut JT Thomas and if Harris will end up getting cut(although i would re-do his contract instead), then i can see us signing both a LT and Brown.