With free agency heading more and more towards the start of NFL draft season -- and the Detroit Lions continuing to add depth-type signings every week -- it's always a good idea to do one thing.
Follow the money.
Though it's possible the Lions would eat a decent-sized contract if the player just didn't work out, often the larger a financial investment the team has in a player, the more likely he is to stick around. With that in mind, by position, here's a peek at the dollars and sense of the Detroit roster as the Lions have $10,363,997 left in cap space according to ESPN Stats & Information.