The Ravens have added more depth to their cornerbacks group, as they have signed six-year veteran 
Vaughn, 27, played in 13 games last year for the Detroit Lions, including five starts, and made 18 tackles, five pass defenses and two interceptions.
The 5-foot-11, 195-pounder was an unrestricted free agent who hadn’t been signed yet this offseason. The Ravens are beyond the point of free-agents signings counting against the compensatory pick formula.
Vaughn was an undrafted rookie free agent out of Ole Miss in 2010. He spent his first two years with the Denver Broncos, then third and fourth seasons with the Indianapolis Colts. The Ravens are his fourth team in six seasons.
His best season came in 2012, when he started a career-high 11 games for the Colts and racked up 66 tackles, nine pass defenses and one interception.
Baltimore already brought in cornerback help by signing
Vaughn will compete with Arrington,
