Andy Clayton-King/Associated Press
In a society where attention spans are so short, it's easy to forget, wait, what was I saying—oh yes—it's easy to forget just how good Adrian Peterson was. How devastating. How powerful. How nearly unprecedented.
There was a time when Peterson would never have entered the free-agent market because he was too valuable to the Vikings. Now, a man who was thrice the NFL's rushing leader, a seven-time Pro Bowler and a league MVP who rushed for an historic 296 yards in a game is unsigned, without an NFL home.