If one were to look at the many mock drafts being released ahead of next Thursday's start to the actual draft, it would be fair to assume that the Lions are on track to add an edge rusher to their roster with the 28th overall pick.

If you follow the NFL Draft at all, you're no doubt familiar with the concept of the draft trade value charts. First created by then-Cowboys coach Jimmy Johnson in the 1990s, the now-ubiquitous charts,