The Ravens made a 53-man roster move Tuesday by signing veteran inside linebacker Steven Johnson and cutting linebacker Jonathan Freeny.
Johnson, 29, began the season with Pittsburgh and appeared in only one game before being released on Sept. 23. In six NFL seasons, he has also spent time with Denver and Tennessee, making 63 tackles and forcing two fumbles in 64 career games.
The former undrafted free agent from Kansas started seven games for the Broncos in 2014 and is expected to contribute primarily on special teams.
Freeny appeared in three games for Baltimore and made two special-teams tackles. He did not play a defensive snap and had previously played for New England and Miami.