Given the top-heavy nature of their salary cap situation, the Lions appear to be working the fringes of the free agent market.
According to Tim Twentyman of the team’s official website, they’re hosting former Cowboys center Phil Costa today and Giants fullback Henry Hynoski Thursday.
The #Lions  are scheduled to host free agent center Phil Costa today and free agent fullback Henry Hynoski on Thursday.
— Tim Twentyman (@ttwentyman) March 12, 2014 
For more on this story visit: Darin Gantt, NBC Sports Pro Football Talk