Carr, according to a source, agreed to a two-year, $5 million deal Saturday. He plans to fly Monday to Baltimore to take a physical and finalize the deal.
What made Carr so valuable is that he will be a versatile third cornerback and a nickel corner. He also can play safety, if necessary.
His signing with Baltimore also gives him a chance to reunite with assistant coach Chuck Pagano, who coached him in Oakland.
Carr was an undrafted jewel of the Raiders, entering the league in 2005 and playing with the Raiders through 2007. He signed a restricted free-agency tender last year and went to the Titans.
He's had six starts at cornerback during his NFL career. His added value is his ability to be a return specialist.
By signing the two-year deal, Carr would have a chance to be a free agent again at the age of 27.
John Clayton is a senior NFL writer for ESPN.com.