Posted by ESPN.com's Pat Yasinskas
After letting former starting outside linebackers Keith Brooking and Michael Boley walk in free agency, the Falcons had glaring needs at outside linebacker. Peterson has spent much of his career in the middle, although he did play on the outside early on.
He's also 32 years old, only a year younger than Brooking, who was viewed as being on the decline. Peterson, who played for Atlanta coach Mike Smith in Jacksonville, may get a shot at winning one of the outside spots. But it's also possible the Falcons are still looking for answers on the outside and could use Peterson as the backup to Curtis Lofton in the middle.