Just for yucks, here's news on Tebucky: Doctor's fault my career's over

I just don't know about this one. Every player has the right to a second opinion as part of the collective bargaining agreement. Every agent should be telling their client that a second opinion is necessary. With that said, he also did this:

After an “exit physical” with the Patriots in early 2007, Jones said in an interview, he unwittingly signed a form indicating that he was healthy enough to play for another team. At the time, he said, he still didn’t feel healthy. Jones was released from the Patriots in February 2007.

How does his agent let him sign this form?