Staying with a rookie QB over a multi-pro bowler when the pro bowler got healthy again. This pro bowler also took said team to a prior superbowl and had set NFL passing records.
When Bledsoe came back and 90% of the football world would have caved and handed the keys back to the 103 million dollar QB, Belichick, after a loss, gave the job to Brady. A gutsy, gutsy move.