Ravens nickel back Danny Gorrer will miss the rest of the season with ligament damage to his knee, according to sources with knowledge of the situation.
Gorrer didn't tear his anterior cruciate ligament, but sources said he sustained damage to another knee ligament that has ended his season. Gorrer will be placed on injured reserve.
Gorrer was injured Sunday during the fourth quarter of the Ravens' 28-13 win over the Miami Dolphins at Sun Life Stadium. He was carted off the field and brought immediately to the locker room.
Gorrer, who had five tackles Sunday, played four games for the Ravens after being claimed off waivers from the Detroit Lions, recording 17 total tackles and one interception. Between Gorrer's six games with the Lions and his time with the Ravens, he had 23 tackles with three passes defensed.
With Gorrer out for the season and rookie cornerback Tramain Jacobs placed on injured reserve Saturday, the Ravens likely will need to add a cornerback for depth. They could also have cornerback Rashaan Melvin active for games. He has been a healthy scratch each week since joining the roster.
Cornerback Anthony Levine is under the NFL concussion testing protocol with his symptoms improving after being forced out of the game, according to a source.
Veteran wide receiver Torrey Smith is expected to undergo further testing of his right knee Monday, according to a source, after he dealt with swelling Sunday after going through warmup drills.