The San Francisco 49ers signed former Pittsburgh Steelers linebacker Kion Wilson.
49ers linebacker Blake Costanzo was placed on injured reserve.
Wilson played in seven games last season for the Steelers with two starts.
Wilson has previous stints with the San Diego Chargers and Cxarolina Panthers.
Wilson has played in 15 career games.
Follow me on Twitter: @RavensInsider
Aaron Wilson covers the Ravens for The Baltimore Sun
DEC 19 Joel Corry
A look at how the Chicago Bears could swing a trade to deal their high-priced quarterback.
DEC 12 Joel Corry
Should San Francisco decide to part ways with its quarterback, here’s how it would work.
DEC 10 Erik Oehler
Sometimes they aren't out to get you.