Chances Dorsey falls to ten, and If so...

Saint Droopy said
Base 4-3...

http://sports.espn.go.com/nfl/teams/depth?team=bal&formationId=16

And Rex Ryan is still they're DC... so its possible.

Their official website's depth chart has 3-4 as their base defense.
http://www.baltimoreravens.com/Team/Default.aspx?id=278