Well, Carl Francis lied:
An NFL Players Association source confirmed that the union has sent a letter to the NFL Management Council inquiring whether unethical dealings took place leading up to last week's trade between the Miami Dolphins and New England Patriots.
http://sports.yahoo.com/nfl/news?slug=jc-welkerdeal031307&prov=yhoo&type=lgnsThe inquiry could lead to the deal being nullified, although that seems unlikely. In essence, the Dolphins appear to have gotten a little more out of the deal and the Patriots had to pay a lot less.