Very few QBs have been traveled like Elbow and been successful somewhere else.
The only one that comes to mind for me is Jim Plunkitt who started with NE, played for the ninnirs, all with no success after a Heisman winning college career at Stanford.
The Ray-Duhs took him in after all these failures, told him to sit for at least a season, which he did and then after regaining his mental composure he went on to win 2 Super Bowls for them. Strangely enough as I recall he is the only QB to win 2 SBs and not be in the Hall of Fame. Why that is I don't know.
And trust me Tim Elbow does not have the chops that Jim Plunkitt had to play the game of football. Bill Bellyachecheck has a history of making good players out of bad, when he's done that in the past its because the player had the tools, and the head to follow the team. Tim Elbow has no one in mind but Tim Elbow.