According to Aaron Wilson of the Baltimore Sun, the Indianapolis Colts have signed a number of players including safety Dez Southward and offensive guard Ben Heenan to reserve-futures deals:
Colts sign Dez Southward, Ben Heenan, Pierce Burton, Edwin Jackson, Kitt O’Brien, Joshua Stangby to reserve-future deals
— Aaron Wilson (@AaronWilson_NFL) January 5, 2016
Of course, all 6 of those players finished this past season on the Colts practice squad, which means the team clearly wants to keep them around going forward.