As far as predictions about approaching seasons go, the ones that happen during NFL training camps across the country are generally about as good as undrafted free agents. Some work out. Most don't.
Ask almost any player on any team and he'll tell you they have a good squad this year and they're destined for big things. That's natural and not all that surprising.
Not long ago, when Jon Kitna was doing time in football purgatory as the quarterback of the Detroit Lions, he was asked about his team's chances. This was prior to the 2007 season. The year before, Detroit won just three games, which was about four more than most people thought possible for that crew. Still, Kitna promised the Lions would more than triple the previous season's total, win 10 games, and make the playoffs.