The Atlanta Falcons caught fire down the stretch last season and seemingly had the Super Bowl in hand before a stunning second-half collapse. But the guy in charge of putting the team together think this year’s squad could be even better. “We’re really encouraged by this roster,” Falcons general manager Thomas Dimitroff said Wednesday. “ … I don’t think that I’ve been more comfortable with a total roster, and I’ve said this publicly as well, as I feel we are going into this season.”